393441426 has 24 divisors (see below), whose sum is σ = 974236224. Its totient is φ = 112411800.

The previous prime is 393441403. The next prime is 393441431. The reversal of 393441426 is 624144393.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1561150 + ... + 1561401.

It is an arithmetic number, because the mean of its divisors is an integer number (40593176).

Almost surely, 2^393441426 is an apocalyptic number.

393441426 is an abundant number, since it is smaller than the sum of its proper divisors (580794798).

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

393441426 is a wasteful number, since it uses less digits than its factorization.

393441426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3122566 (or 3122563 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 393441426 is about 19835.3579750908. The cubic root of 393441426 is about 732.7570886806.

The spelling of 393441426 in words is "three hundred ninety-three million, four hundred forty-one thousand, four hundred twenty-six".