64290996 has 144 divisors (see below), whose sum is σ = 210362880. Its totient is φ = 16679520.

The previous prime is 64290983. The next prime is 64291009. The reversal of 64290996 is 69909246.

It is an interprime number because it is at equal distance from previous prime (64290983) and next prime (64291009).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74415 + ... + 75273.

Almost surely, 2^64290996 is an apocalyptic number.

64290996 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 64290996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105181440).

64290996 is an abundant number, since it is smaller than the sum of its proper divisors (146071884).

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

64290996 is a wasteful number, since it uses less digits than its factorization.

64290996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896 (or 882 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 64290996 is about 8018.1666233622. The cubic root of 64290996 is about 400.6053251582.

The spelling of 64290996 in words is "sixty-four million, two hundred ninety thousand, nine hundred ninety-six".