102691396 has 24 divisors (see below), whose sum is σ = 185169600. Its totient is φ = 49802592.

The previous prime is 102691327. The next prime is 102691397. The reversal of 102691396 is 693196201.

It is not an unprimeable number, because it can be changed into a prime (102691397) by changing a digit.

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, 23625 + ... + 27631.

It is an arithmetic number, because the mean of its divisors is an integer number (7715400).

Almost surely, 2^102691396 is an apocalyptic number.

It is an amenable number.

102691396 is a deficient number, since it is larger than the sum of its proper divisors (82478204).

102691396 is a wasteful number, since it uses less digits than its factorization.

102691396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4203 (or 4201 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 37.

The square root of 102691396 is about 10133.6763319143. The cubic root of 102691396 is about 468.2861923510.

The spelling of 102691396 in words is "one hundred two million, six hundred ninety-one thousand, three hundred ninety-six".