397283444 has 12 divisors (see below), whose sum is σ = 696192000. Its totient is φ = 198371448.

The previous prime is 397283443. The next prime is 397283449. The reversal of 397283444 is 444382793.

It is a super-2 number, since 2×397283444² = 315668269753002272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 397283395 and 397283404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397283443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64244 + ... + 70155.

It is an arithmetic number, because the mean of its divisors is an integer number (58016000).

Almost surely, 2^397283444 is an apocalyptic number.

It is an amenable number.

397283444 is a deficient number, since it is larger than the sum of its proper divisors (298908556).

397283444 is a wasteful number, since it uses less digits than its factorization.

397283444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135142 (or 135140 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The square root of 397283444 is about 19931.9703993358. The cubic root of 397283444 is about 735.1345298045.

The spelling of 397283444 in words is "three hundred ninety-seven million, two hundred eighty-three thousand, four hundred forty-four".