397480608 has 240 divisors, whose sum is σ = 1407510720. Its totient is φ = 107495424.

The previous prime is 397480607. The next prime is 397480613. The reversal of 397480608 is 806084793.

It is a happy number.

397480608 is a `hidden beast` number, since 39 + 7 + 4 + 8 + 0 + 608 = 666.

It is not an unprimeable number, because it can be changed into a prime (397480607) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 344160 + ... + 345312.

It is an arithmetic number, because the mean of its divisors is an integer number (5864628).

Almost surely, 2^397480608 is an apocalyptic number.

397480608 is a gapful number since it is divisible by the number (38) 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 397480608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (703755360).

397480608 is an abundant number, since it is smaller than the sum of its proper divisors (1010030112).

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

397480608 is a wasteful number, since it uses less digits than its factorization.

397480608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201 (or 1184 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 397480608 is about 19936.9157093067. The cubic root of 397480608 is about 735.2561206535.

The spelling of 397480608 in words is "three hundred ninety-seven million, four hundred eighty thousand, six hundred eight".