662317942 has 24 divisors (see below), whose sum is σ = 1176009408. Its totient is φ = 277894320.

The previous prime is 662317939. The next prime is 662317961. The reversal of 662317942 is 249713266.

It is a happy number.

662317942 is nontrivially palindromic in base 4.

It is a junction number, because it is equal to n+sod(n) for n = 662317895 and 662317904.

It is a congruent 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, 102118 + ... + 108409.

It is an arithmetic number, because the mean of its divisors is an integer number (49000392).

Almost surely, 2^662317942 is an apocalyptic number.

662317942 is a deficient number, since it is larger than the sum of its proper divisors (513691466).

662317942 is a wasteful number, since it uses less digits than its factorization.

662317942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210564 (or 210553 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 662317942 is about 25735.5385022346. The cubic root of 662317942 is about 871.6768390870.

The spelling of 662317942 in words is "six hundred sixty-two million, three hundred seventeen thousand, nine hundred forty-two".