19974162 has 16 divisors (see below), whose sum is σ = 43021440. Its totient is φ = 6145872.

The previous prime is 19974139. The next prime is 19974169. The reversal of 19974162 is 26147991.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 19974162.

It is not an unprimeable number, because it can be changed into a prime (19974169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127962 + ... + 128117.

It is an arithmetic number, because the mean of its divisors is an integer number (2688840).

Almost surely, 2^19974162 is an apocalyptic number.

19974162 is an abundant number, since it is smaller than the sum of its proper divisors (23047278).

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

19974162 is a wasteful number, since it uses less digits than its factorization.

19974162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256097.

The product of its digits is 27216, while the sum is 39.

The square root of 19974162 is about 4469.2462451738. The cubic root of 19974162 is about 271.3248194152.

The spelling of 19974162 in words is "nineteen million, nine hundred seventy-four thousand, one hundred sixty-two".