397040622 has 32 divisors (see below), whose sum is σ = 894219264. Its totient is φ = 116433600.

The previous prime is 397040617. The next prime is 397040639. The reversal of 397040622 is 226040793.

It is a super-3 number, since 3×397040622³ (a number of 27 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 94983 + ... + 99074.

It is an arithmetic number, because the mean of its divisors is an integer number (27944352).

Almost surely, 2^397040622 is an apocalyptic number.

397040622 is an abundant number, since it is smaller than the sum of its proper divisors (497178642).

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

397040622 is a wasteful number, since it uses less digits than its factorization.

397040622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194104.

The product of its (nonzero) digits is 18144, while the sum is 33.

The square root of 397040622 is about 19925.8781989653. The cubic root of 397040622 is about 734.9847264168.

The spelling of 397040622 in words is "three hundred ninety-seven million, forty thousand, six hundred twenty-two".