397266120 has 192 divisors, whose sum is σ = 1397934720. Its totient is φ = 101274624.

The previous prime is 397266109. The next prime is 397266211. The reversal of 397266120 is 21662793.

397266120 is a `hidden beast` number, since 39 + 7 + 2 + 6 + 612 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 222672 + ... + 224448.

It is an arithmetic number, because the mean of its divisors is an integer number (7280910).

Almost surely, 2^397266120 is an apocalyptic number.

397266120 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 397266120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (698967360).

397266120 is an abundant number, since it is smaller than the sum of its proper divisors (1000668600).

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

397266120 is a wasteful number, since it uses less digits than its factorization.

397266120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1826 (or 1810 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 397266120 is about 19931.5358163891. The cubic root of 397266120 is about 735.1238441879.

It can be divided in two parts, 397266 and 120, that added together give a triangular number (397386 = T₈₉₁).

The spelling of 397266120 in words is "three hundred ninety-seven million, two hundred sixty-six thousand, one hundred twenty".