19424902 has 16 divisors (see below), whose sum is σ = 33426720. Its totient is φ = 8293248.

The previous prime is 19424869. The next prime is 19424953. The reversal of 19424902 is 20942491.

It is a happy number.

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, 1374 + ... + 6382.

It is an arithmetic number, because the mean of its divisors is an integer number (2089170).

Almost surely, 2^19424902 is an apocalyptic number.

19424902 is a deficient number, since it is larger than the sum of its proper divisors (14001818).

19424902 is a wasteful number, since it uses less digits than its factorization.

19424902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5295.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 19424902 is about 4407.3690564780. The cubic root of 19424902 is about 268.8146574555.

The spelling of 19424902 in words is "nineteen million, four hundred twenty-four thousand, nine hundred two".