99402366 has 64 divisors (see below), whose sum is σ = 251071488. Its totient is φ = 25563648.

The previous prime is 99402361. The next prime is 99402379. The reversal of 99402366 is 66320499.

It is a happy number.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99402361) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13396 + ... + 19448.

It is an arithmetic number, because the mean of its divisors is an integer number (3922992).

Almost surely, 2^99402366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99402366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125535744).

99402366 is an abundant number, since it is smaller than the sum of its proper divisors (151669122).

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

99402366 is a wasteful number, since it uses less digits than its factorization.

99402366 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105.

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 99402366 is about 9970.0735202906. The cubic root of 99402366 is about 463.2323780989.

The spelling of 99402366 in words is "ninety-nine million, four hundred two thousand, three hundred sixty-six".