397213848 has 64 divisors (see below), whose sum is σ = 1161456000. Its totient is φ = 125434656.

The previous prime is 397213837. The next prime is 397213903. The reversal of 397213848 is 848312793.

397213848 is a `hidden beast` number, since 397 + 213 + 8 + 48 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44290 + ... + 52497.

It is an arithmetic number, because the mean of its divisors is an integer number (18147750).

Almost surely, 2^397213848 is an apocalyptic number.

397213848 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

It is an amenable number.

397213848 is an abundant number, since it is smaller than the sum of its proper divisors (764242152).

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

397213848 is a wasteful number, since it uses less digits than its factorization.

397213848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96821 (or 96811 counting only the distinct ones).

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

The square root of 397213848 is about 19930.2244844357. The cubic root of 397213848 is about 735.0916004121.

The spelling of 397213848 in words is "three hundred ninety-seven million, two hundred thirteen thousand, eight hundred forty-eight".