399232677 has 8 divisors (see below), whose sum is σ = 532738080. Its totient is φ = 265941200.

The previous prime is 399232661. The next prime is 399232681. The reversal of 399232677 is 776232993.

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

It is a cyclic number.

It is not a de Polignac number, because 399232677 - 2⁴ = 399232661 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399232637) 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, 49074 + ... + 56627.

It is an arithmetic number, because the mean of its divisors is an integer number (66592260).

Almost surely, 2^399232677 is an apocalyptic number.

It is an amenable number.

399232677 is a deficient number, since it is larger than the sum of its proper divisors (133505403).

399232677 is a wasteful number, since it uses less digits than its factorization.

399232677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106963.

The product of its digits is 857304, while the sum is 48.

The square root of 399232677 is about 19980.8077164063. The cubic root of 399232677 is about 736.3348577923.

The spelling of 399232677 in words is "three hundred ninety-nine million, two hundred thirty-two thousand, six hundred seventy-seven".