99605402 has 8 divisors (see below), whose sum is σ = 160901076. Its totient is φ = 45971712.

The previous prime is 99605383. The next prime is 99605411. The reversal of 99605402 is 20450699.

It can be written as a sum of positive squares in 2 ways, for example, as 97042201 + 2563201 = 9851^2 + 1601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×99605402² = 19842472215163208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1915463 + ... + 1915514.

Almost surely, 2^99605402 is an apocalyptic number.

99605402 is a deficient number, since it is larger than the sum of its proper divisors (61295674).

99605402 is a wasteful number, since it uses less digits than its factorization.

99605402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3830992.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 99605402 is about 9980.2505980561. The cubic root of 99605402 is about 463.5475580054.

The spelling of 99605402 in words is "ninety-nine million, six hundred five thousand, four hundred two".