397227038 has 16 divisors (see below), whose sum is σ = 643476960. Its totient is φ = 182820576.

The previous prime is 397227031. The next prime is 397227071. The reversal of 397227038 is 830722793.

It is a junction number, because it is equal to n+sod(n) for n = 397226986 and 397227004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397227031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11945 + ... + 30612.

It is an arithmetic number, because the mean of its divisors is an integer number (40217310).

Almost surely, 2^397227038 is an apocalyptic number.

397227038 is a deficient number, since it is larger than the sum of its proper divisors (246249922).

397227038 is a wasteful number, since it uses less digits than its factorization.

397227038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42931.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 397227038 is about 19930.5553861401. Note that the first 3 decimals coincide. The cubic root of 397227038 is about 735.0997368781.

The spelling of 397227038 in words is "three hundred ninety-seven million, two hundred twenty-seven thousand, thirty-eight".