99964494 has 48 divisors (see below), whose sum is σ = 249520128. Its totient is φ = 28331856.

The previous prime is 99964493. The next prime is 99964499. The reversal of 99964494 is 49446999.

99964494 is a `hidden beast` number, since 9 + 99 + 64 + 494 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 99964494.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99964493) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12879 + ... + 19125.

It is an arithmetic number, because the mean of its divisors is an integer number (5198336).

Almost surely, 2^99964494 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99964494, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124760064).

99964494 is an abundant number, since it is smaller than the sum of its proper divisors (149555634).

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

99964494 is a wasteful number, since it uses less digits than its factorization.

99964494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6389 (or 6386 counting only the distinct ones).

The product of its digits is 2519424, while the sum is 54.

The square root of 99964494 is about 9998.2245423875. The cubic root of 99964494 is about 464.1039421072.

The spelling of 99964494 in words is "ninety-nine million, nine hundred sixty-four thousand, four hundred ninety-four".