396732670 has 8 divisors (see below), whose sum is σ = 714118824. Its totient is φ = 158693064.

The previous prime is 396732659. The next prime is 396732701. The reversal of 396732670 is 76237693.

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

It is a super-3 number, since 3×396732670³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19836624 + ... + 19836643.

It is an arithmetic number, because the mean of its divisors is an integer number (89264853).

Almost surely, 2^396732670 is an apocalyptic number.

396732670 is a deficient number, since it is larger than the sum of its proper divisors (317386154).

396732670 is a wasteful number, since it uses less digits than its factorization.

396732670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39673274.

The product of its (nonzero) digits is 285768, while the sum is 43.

The square root of 396732670 is about 19918.1492614148. The cubic root of 396732670 is about 734.7946547155.

The spelling of 396732670 in words is "three hundred ninety-six million, seven hundred thirty-two thousand, six hundred seventy".