102904408 has 8 divisors (see below), whose sum is σ = 192945780. Its totient is φ = 51452200.

The previous prime is 102904397. The next prime is 102904409. The reversal of 102904408 is 804409201.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102904409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6431518 + ... + 6431533.

Almost surely, 2^102904408 is an apocalyptic number.

It is an amenable number.

102904408 is a deficient number, since it is larger than the sum of its proper divisors (90041372).

102904408 is a wasteful number, since it uses less digits than its factorization.

102904408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12863057 (or 12863053 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 102904408 is about 10144.1809920762. The cubic root of 102904408 is about 468.6097562555.

The spelling of 102904408 in words is "one hundred two million, nine hundred four thousand, four hundred eight".