99406356 has 24 divisors (see below), whose sum is σ = 265083840. Its totient is φ = 28401792.

The previous prime is 99406343. The next prime is 99406399. The reversal of 99406356 is 65360499.

It is a super-2 number, since 2×99406356² = 19763247226397472, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591621 + ... + 591788.

It is an arithmetic number, because the mean of its divisors is an integer number (11045160).

Almost surely, 2^99406356 is an apocalyptic number.

It is an amenable number.

99406356 is an abundant number, since it is smaller than the sum of its proper divisors (165677484).

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

99406356 is a wasteful number, since it uses less digits than its factorization.

99406356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1183423 (or 1183421 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 42.

The square root of 99406356 is about 9970.2736171080. The cubic root of 99406356 is about 463.2385760481.

The spelling of 99406356 in words is "ninety-nine million, four hundred six thousand, three hundred fifty-six".