397024777 has 8 divisors (see below), whose sum is σ = 400083840. Its totient is φ = 393977760.

The previous prime is 397024759. The next prime is 397024787. The reversal of 397024777 is 777420793.

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 397024777 - 2¹¹ = 397022729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (397024717) 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, 69724 + ... + 75202.

It is an arithmetic number, because the mean of its divisors is an integer number (50010480).

Almost surely, 2^397024777 is an apocalyptic number.

It is an amenable number.

397024777 is a deficient number, since it is larger than the sum of its proper divisors (3059063).

397024777 is a wasteful number, since it uses less digits than its factorization.

397024777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6023.

The product of its (nonzero) digits is 518616, while the sum is 46.

The square root of 397024777 is about 19925.4805964624. The cubic root of 397024777 is about 734.9749490899.

The spelling of 397024777 in words is "three hundred ninety-seven million, twenty-four thousand, seven hundred seventy-seven".