332640347 has 8 divisors (see below), whose sum is σ = 358433040. Its totient is φ = 306876960.

The previous prime is 332640337. The next prime is 332640367. The reversal of 332640347 is 743046233.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 332640347 - 2⁴ = 332640331 is a prime.

It is a super-2 number, since 2×332640347² = 221299200904560818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (332640307) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20072 + ... + 32682.

It is an arithmetic number, because the mean of its divisors is an integer number (44804130).

Almost surely, 2^332640347 is an apocalyptic number.

332640347 is a deficient number, since it is larger than the sum of its proper divisors (25792693).

332640347 is a wasteful number, since it uses less digits than its factorization.

332640347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14653.

The product of its (nonzero) digits is 36288, while the sum is 32.

The square root of 332640347 is about 18238.4304971672. The cubic root of 332640347 is about 692.8804511054.

The spelling of 332640347 in words is "three hundred thirty-two million, six hundred forty thousand, three hundred forty-seven".