1403434242 has 64 divisors (see below), whose sum is σ = 3569879040. Its totient is φ = 400351248.

The previous prime is 1403434237. The next prime is 1403434247. The reversal of 1403434242 is 2424343041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1403434237) and next prime (1403434247).

It is a super-2 number, since 2×1403434242² = 3939255343236229128, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (1403434247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 272253 + ... + 277359.

It is an arithmetic number, because the mean of its divisors is an integer number (55779360).

Almost surely, 2^1403434242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1403434242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1784939520).

1403434242 is an abundant number, since it is smaller than the sum of its proper divisors (2166444798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1403434242 is a wasteful number, since it uses less digits than its factorization.

1403434242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5852 (or 5846 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1403434242 is about 37462.4377476960. The cubic root of 1403434242 is about 1119.6029209943.

Adding to 1403434242 its reverse (2424343041), we get a palindrome (3827777283).

The spelling of 1403434242 in words is "one billion, four hundred three million, four hundred thirty-four thousand, two hundred forty-two".