3506306432 has 16 divisors (see below), whose sum is σ = 6985220100. Its totient is φ = 1753153152.

The previous prime is 3506306431. The next prime is 3506306471. The reversal of 3506306432 is 2346036053.

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506306431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13696382 + ... + 13696637.

Almost surely, 2^3506306432 is an apocalyptic number.

3506306432 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3506306432 is a deficient number, since it is larger than the sum of its proper divisors (3478913668).

3506306432 is an equidigital number, since it uses as much as digits as its factorization.

3506306432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27393033 (or 27393021 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 32.

The square root of 3506306432 is about 59214.0729218992. The cubic root of 3506306432 is about 1519.2058455382.

The spelling of 3506306432 in words is "three billion, five hundred six million, three hundred six thousand, four hundred thirty-two".