999560464 has 40 divisors (see below), whose sum is σ = 2226607488. Its totient is φ = 425809920.

The previous prime is 999560461. The next prime is 999560479. The reversal of 999560464 is 464065999.

It is a super-2 number, since 2×999560464² = 1998242242383790592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (999560461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8017 + ... + 45424.

Almost surely, 2^999560464 is an apocalyptic number.

It is an amenable number.

999560464 is an abundant number, since it is smaller than the sum of its proper divisors (1227047024).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

999560464 is a wasteful number, since it uses less digits than its factorization.

999560464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53623 (or 53617 counting only the distinct ones).

The product of its (nonzero) digits is 2099520, while the sum is 52.

The square root of 999560464 is about 31615.8261634897. The cubic root of 999560464 is about 999.8534665290.

The spelling of 999560464 in words is "nine hundred ninety-nine million, five hundred sixty thousand, four hundred sixty-four".