403649652 has 36 divisors (see below), whose sum is σ = 1095622080. Its totient is φ = 115328304.

The previous prime is 403649629. The next prime is 403649671. The reversal of 403649652 is 256946304.

It is a super-2 number, since 2×403649652² = 325866083119442208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 403649652.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 342652 + ... + 343827.

Almost surely, 2^403649652 is an apocalyptic number.

403649652 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

403649652 is an abundant number, since it is smaller than the sum of its proper divisors (691972428).

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

403649652 is a wasteful number, since it uses less digits than its factorization.

403649652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686500 (or 686491 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 39.

The square root of 403649652 is about 20091.0341197261. The cubic root of 403649652 is about 739.0404241167.

The spelling of 403649652 in words is "four hundred three million, six hundred forty-nine thousand, six hundred fifty-two".