397874466 has 24 divisors (see below), whose sum is σ = 940431024. Its totient is φ = 120567960.

The previous prime is 397874453. The next prime is 397874473. The reversal of 397874466 is 664478793.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1004536 + ... + 1004931.

It is an arithmetic number, because the mean of its divisors is an integer number (39184626).

Almost surely, 2^397874466 is an apocalyptic number.

397874466 is an abundant number, since it is smaller than the sum of its proper divisors (542556558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

397874466 is a wasteful number, since it uses less digits than its factorization.

397874466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2009486 (or 2009483 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The square root of 397874466 is about 19946.7908697113. The cubic root of 397874466 is about 735.4988921689.

It can be divided in two parts, 39787 and 4466, that added together give a triangular number (44253 = T₂₉₇).

The spelling of 397874466 in words is "three hundred ninety-seven million, eight hundred seventy-four thousand, four hundred sixty-six".