102409296 has 40 divisors (see below), whose sum is σ = 288609504. Its totient is φ = 31032960.

The previous prime is 102409283. The next prime is 102409319. The reversal of 102409296 is 692904201.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96451 + ... + 97506.

Almost surely, 2^102409296 is an apocalyptic number.

102409296 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

102409296 is an abundant number, since it is smaller than the sum of its proper divisors (186200208).

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

102409296 is a wasteful number, since it uses less digits than its factorization.

102409296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193979 (or 193973 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 102409296 is about 10119.7478229450. The cubic root of 102409296 is about 467.8569948049.

The spelling of 102409296 in words is "one hundred two million, four hundred nine thousand, two hundred ninety-six".