662429938 has 32 divisors (see below), whose sum is σ = 1040615424. Its totient is φ = 316023312.

The previous prime is 662429909. The next prime is 662429941. The reversal of 662429938 is 839924266.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 662429891 and 662429900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 673395 + ... + 674377.

It is an arithmetic number, because the mean of its divisors is an integer number (32519232).

Almost surely, 2^662429938 is an apocalyptic number.

662429938 is a deficient number, since it is larger than the sum of its proper divisors (378185486).

662429938 is a wasteful number, since it uses less digits than its factorization.

662429938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1206.

The product of its digits is 1119744, while the sum is 49.

The square root of 662429938 is about 25737.7143118809. The cubic root of 662429938 is about 871.7259689741.

The spelling of 662429938 in words is "six hundred sixty-two million, four hundred twenty-nine thousand, nine hundred thirty-eight".