662329497 has 4 divisors (see below), whose sum is σ = 883106000. Its totient is φ = 441552996.

The previous prime is 662329471. The next prime is 662329519. The reversal of 662329497 is 794923266.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 662329497 - 2⁶ = 662329433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (662329097) 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, 110388247 + ... + 110388252.

It is an arithmetic number, because the mean of its divisors is an integer number (220776500).

Almost surely, 2^662329497 is an apocalyptic number.

It is an amenable number.

662329497 is a deficient number, since it is larger than the sum of its proper divisors (220776503).

662329497 is a wasteful number, since it uses less digits than its factorization.

662329497 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220776502.

The product of its digits is 979776, while the sum is 48.

The square root of 662329497 is about 25735.7629962665. The cubic root of 662329497 is about 871.6819082372.

The spelling of 662329497 in words is "six hundred sixty-two million, three hundred twenty-nine thousand, four hundred ninety-seven".