397822126 has 8 divisors (see below), whose sum is σ = 642635784. Its totient is φ = 183610200.

The previous prime is 397822093. The next prime is 397822127. The reversal of 397822126 is 621228793.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (397822127) 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, 7650400 + ... + 7650451.

It is an arithmetic number, because the mean of its divisors is an integer number (80329473).

Almost surely, 2^397822126 is an apocalyptic number.

397822126 is a deficient number, since it is larger than the sum of its proper divisors (244813658).

397822126 is a wasteful number, since it uses less digits than its factorization.

397822126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15300866.

The product of its digits is 72576, while the sum is 40.

The square root of 397822126 is about 19945.4788360671. The cubic root of 397822126 is about 735.4666393660.

The spelling of 397822126 in words is "three hundred ninety-seven million, eight hundred twenty-two thousand, one hundred twenty-six".