397054867 has 8 divisors (see below), whose sum is σ = 434142720. Its totient is φ = 360132360.

The previous prime is 397054849. The next prime is 397054877. The reversal of 397054867 is 768450793.

It is a happy number.

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 397054867 - 2⁷ = 397054739 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 397054867.

It is not an unprimeable number, because it can be changed into a prime (397054877) 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, 36283 + ... + 45940.

It is an arithmetic number, because the mean of its divisors is an integer number (54267840).

Almost surely, 2^397054867 is an apocalyptic number.

397054867 is a deficient number, since it is larger than the sum of its proper divisors (37087853).

397054867 is a wasteful number, since it uses less digits than its factorization.

397054867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82673.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 397054867 is about 19926.2356455001. The cubic root of 397054867 is about 734.9935162246.

The spelling of 397054867 in words is "three hundred ninety-seven million, fifty-four thousand, eight hundred sixty-seven".