464361997 has 4 divisors (see below), whose sum is σ = 506576736. Its totient is φ = 422147260.

The previous prime is 464361977. The next prime is 464362001. The reversal of 464361997 is 799163464.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-464361997 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 464361997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (464361967) 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, 21107353 + ... + 21107374.

It is an arithmetic number, because the mean of its divisors is an integer number (126644184).

Almost surely, 2^464361997 is an apocalyptic number.

It is an amenable number.

464361997 is a deficient number, since it is larger than the sum of its proper divisors (42214739).

464361997 is a wasteful number, since it uses less digits than its factorization.

464361997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42214738.

The product of its digits is 979776, while the sum is 49.

The square root of 464361997 is about 21549.0602347295. The cubic root of 464361997 is about 774.3766042014.

The spelling of 464361997 in words is "four hundred sixty-four million, three hundred sixty-one thousand, nine hundred ninety-seven".