99405465 has 32 divisors (see below), whose sum is σ = 163701120. Its totient is φ = 51480576.

The previous prime is 99405451. The next prime is 99405479. The reversal of 99405465 is 56450499.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (99405451) and next prime (99405479).

It is not a de Polignac number, because 99405465 - 2⁷ = 99405337 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 147369 + ... + 148041.

It is an arithmetic number, because the mean of its divisors is an integer number (5115660).

Almost surely, 2^99405465 is an apocalyptic number.

It is an amenable number.

99405465 is a deficient number, since it is larger than the sum of its proper divisors (64295655).

99405465 is a wasteful number, since it uses less digits than its factorization.

99405465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 953.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 99405465 is about 9970.2289341820. The cubic root of 99405465 is about 463.2371920092.

The spelling of 99405465 in words is "ninety-nine million, four hundred five thousand, four hundred sixty-five".