99490656 has 96 divisors (see below), whose sum is σ = 273079296. Its totient is φ = 31680000.

The previous prime is 99490649. The next prime is 99490661. The reversal of 99490656 is 65609499.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 300411 + ... + 300741.

It is an arithmetic number, because the mean of its divisors is an integer number (2844576).

Almost surely, 2^99490656 is an apocalyptic number.

99490656 is a gapful number since it is divisible by the number (96) 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 99490656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136539648).

99490656 is an abundant number, since it is smaller than the sum of its proper divisors (173588640).

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

99490656 is a wasteful number, since it uses less digits than its factorization.

99490656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 99490656 is about 9974.5002882350. The cubic root of 99490656 is about 463.3694864509.

The spelling of 99490656 in words is "ninety-nine million, four hundred ninety thousand, six hundred fifty-six".