1403100428 has 12 divisors (see below), whose sum is σ = 2455704552. Its totient is φ = 701470560.

The previous prime is 1403100427. The next prime is 1403100451. The reversal of 1403100428 is 8240013041.

It is a super-2 number, since 2×1403100428² = 3937381622107566368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1403100427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39248 + ... + 65928.

It is an arithmetic number, because the mean of its divisors is an integer number (204642046).

Almost surely, 2^1403100428 is an apocalyptic number.

It is an amenable number.

1403100428 is a deficient number, since it is larger than the sum of its proper divisors (1052604124).

1403100428 is a wasteful number, since it uses less digits than its factorization.

1403100428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39832 (or 39830 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1403100428 is about 37457.9821666891. The cubic root of 1403100428 is about 1119.5141461983.

Adding to 1403100428 its reverse (8240013041), we get a palindrome (9643113469).

The spelling of 1403100428 in words is "one billion, four hundred three million, one hundred thousand, four hundred twenty-eight".