19413426 has 16 divisors (see below), whose sum is σ = 40515264. Its totient is φ = 6189744.

The previous prime is 19413389. The next prime is 19413467. The reversal of 19413426 is 62431491.

It is a super-2 number, since 2×19413426² = 753762218114952, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19413393 and 19413402.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70201 + ... + 70476.

It is an arithmetic number, because the mean of its divisors is an integer number (2532204).

Almost surely, 2^19413426 is an apocalyptic number.

19413426 is an abundant number, since it is smaller than the sum of its proper divisors (21101838).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19413426 is a wasteful number, since it uses less digits than its factorization.

19413426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140705.

The product of its digits is 5184, while the sum is 30.

The square root of 19413426 is about 4406.0669536447. The cubic root of 19413426 is about 268.7617095313.

The spelling of 19413426 in words is "nineteen million, four hundred thirteen thousand, four hundred twenty-six".