99902394 has 12 divisors (see below), whose sum is σ = 216455226. Its totient is φ = 33300792.

The previous prime is 99902393. The next prime is 99902441. The reversal of 99902394 is 49320999.

It can be written as a sum of positive squares in only one way, i.e., 98307225 + 1595169 = 9915^2 + 1263^2 .

It is not an unprimeable number, because it can be changed into a prime (99902393) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2775049 + ... + 2775084.

Almost surely, 2^99902394 is an apocalyptic number.

99902394 is an abundant number, since it is smaller than the sum of its proper divisors (116552832).

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

99902394 is a wasteful number, since it uses less digits than its factorization.

99902394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5550141 (or 5550138 counting only the distinct ones).

The product of its (nonzero) digits is 157464, while the sum is 45.

The square root of 99902394 is about 9995.1185085521. The cubic root of 99902394 is about 464.0078185613.

The spelling of 99902394 in words is "ninety-nine million, nine hundred two thousand, three hundred ninety-four".