19427136 has 28 divisors (see below), whose sum is σ = 51401472. Its totient is φ = 6475648.

The previous prime is 19427131. The next prime is 19427137. The reversal of 19427136 is 63172491.

It is a super-2 number, since 2×19427136² = 754827226324992, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19427097 and 19427106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19427131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50400 + ... + 50783.

Almost surely, 2^19427136 is an apocalyptic number.

19427136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

19427136 is an abundant number, since it is smaller than the sum of its proper divisors (31974336).

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

19427136 is a wasteful number, since it uses less digits than its factorization.

19427136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101198 (or 101188 counting only the distinct ones).

The product of its digits is 9072, while the sum is 33.

The square root of 19427136 is about 4407.6224883717. The cubic root of 19427136 is about 268.8249622510.

The spelling of 19427136 in words is "nineteen million, four hundred twenty-seven thousand, one hundred thirty-six".