403242344 has 16 divisors (see below), whose sum is σ = 768895200. Its totient is φ = 198203632.

The previous prime is 403242341. The next prime is 403242349. The reversal of 403242344 is 443242304.

It is a super-2 number, since 2×403242344² = 325208775989228672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (403242341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 426692 + ... + 427635.

It is an arithmetic number, because the mean of its divisors is an integer number (48055950).

Almost surely, 2^403242344 is an apocalyptic number.

It is an amenable number.

403242344 is a deficient number, since it is larger than the sum of its proper divisors (365652856).

403242344 is a wasteful number, since it uses less digits than its factorization.

403242344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 854392 (or 854388 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 403242344 is about 20080.8949999745. The cubic root of 403242344 is about 738.7917609664.

Adding to 403242344 its reverse (443242304), we get a palindrome (846484648).

The spelling of 403242344 in words is "four hundred three million, two hundred forty-two thousand, three hundred forty-four".