17899042 has 16 divisors (see below), whose sum is σ = 31433472. Its totient is φ = 7483680.

The previous prime is 17899027. The next prime is 17899069. The reversal of 17899042 is 24099871.

It is a junction number, because it is equal to n+sod(n) for n = 17898986 and 17899004.

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, 15018 + ... + 16165.

It is an arithmetic number, because the mean of its divisors is an integer number (1964592).

Almost surely, 2^17899042 is an apocalyptic number.

17899042 is a deficient number, since it is larger than the sum of its proper divisors (13534430).

17899042 is a wasteful number, since it uses less digits than its factorization.

17899042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31233.

The product of its (nonzero) digits is 36288, while the sum is 40.

The square root of 17899042 is about 4230.7259424359. The cubic root of 17899042 is about 261.5832486382.

The spelling of 17899042 in words is "seventeen million, eight hundred ninety-nine thousand, forty-two".