99407646 has 24 divisors (see below), whose sum is σ = 231951720. Its totient is φ = 30586896.

The previous prime is 99407593. The next prime is 99407663. The reversal of 99407646 is 64670499.

It is a super-2 number, since 2×99407646² = 19763760166522632, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 212176 + ... + 212643.

It is an arithmetic number, because the mean of its divisors is an integer number (9664655).

Almost surely, 2^99407646 is an apocalyptic number.

99407646 is an abundant number, since it is smaller than the sum of its proper divisors (132544074).

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

99407646 is a wasteful number, since it uses less digits than its factorization.

99407646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424840 (or 424837 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 99407646 is about 9970.3383092050. The cubic root of 99407646 is about 463.2405798609.

The spelling of 99407646 in words is "ninety-nine million, four hundred seven thousand, six hundred forty-six".