19413490 has 16 divisors (see below), whose sum is σ = 37000152. Its totient is φ = 7308544.

The previous prime is 19413487. The next prime is 19413503. The reversal of 19413490 is 9431491.

It can be written as a sum of positive squares in 4 ways, for example, as 18722929 + 690561 = 4327^2 + 831^2 .

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, 56929 + ... + 57268.

Almost surely, 2^19413490 is an apocalyptic number.

19413490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19413490 is a deficient number, since it is larger than the sum of its proper divisors (17586662).

19413490 is a wasteful number, since it uses less digits than its factorization.

19413490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114221.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 19413490 is about 4406.0742163518. The cubic root of 19413490 is about 268.7620048721.

The spelling of 19413490 in words is "nineteen million, four hundred thirteen thousand, four hundred ninety".