662697 has 24 divisors (see below), whose sum is σ = 1117376. Its totient is φ = 370656.

The previous prime is 662693. The next prime is 662713. The reversal of 662697 is 796266.

It is not a de Polignac number, because 662697 - 2² = 662693 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4143 + ... + 4299.

2⁶⁶²⁶⁹⁷ is an apocalyptic number.

662697 is a gapful number since it is divisible by the number (67) formed by its first and last digit.

It is an amenable number.

662697 is a deficient number, since it is larger than the sum of its proper divisors (454679).

662697 is a wasteful number, since it uses less digits than its factorization.

662697 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 662697 is about 814.0620369480. The cubic root of 662697 is about 87.1843100155.

The spelling of 662697 in words is "six hundred sixty-two thousand, six hundred ninety-seven".