396642754 has 8 divisors (see below), whose sum is σ = 595050768. Its totient is φ = 198292500.

The previous prime is 396642721. The next prime is 396642767. The reversal of 396642754 is 457246693.

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

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 3 ways as a sum of consecutive naturals, for example, 13689 + ... + 31315.

It is an arithmetic number, because the mean of its divisors is an integer number (74381346).

Almost surely, 2^396642754 is an apocalyptic number.

396642754 is a deficient number, since it is larger than the sum of its proper divisors (198408014).

396642754 is a wasteful number, since it uses less digits than its factorization.

396642754 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28880.

The product of its digits is 1088640, while the sum is 46.

The square root of 396642754 is about 19915.8919960920. The cubic root of 396642754 is about 734.7391389210.

The spelling of 396642754 in words is "three hundred ninety-six million, six hundred forty-two thousand, seven hundred fifty-four".