19908044 has 12 divisors (see below), whose sum is σ = 37519104. Its totient is φ = 9188304.

The previous prime is 19908023. The next prime is 19908059. The reversal of 19908044 is 44080991.

It is a junction number, because it is equal to n+sod(n) for n = 19907995 and 19908013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191372 + ... + 191475.

It is an arithmetic number, because the mean of its divisors is an integer number (3126592).

Almost surely, 2^19908044 is an apocalyptic number.

It is an amenable number.

19908044 is a deficient number, since it is larger than the sum of its proper divisors (17611060).

19908044 is a wasteful number, since it uses less digits than its factorization.

19908044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382864 (or 382862 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 19908044 is about 4461.8431169193. The cubic root of 19908044 is about 271.0251108025.

The spelling of 19908044 in words is "nineteen million, nine hundred eight thousand, forty-four".