19948974 has 16 divisors (see below), whose sum is σ = 41998080. Its totient is φ = 6299640.

The previous prime is 19948969. The next prime is 19948979. The reversal of 19948974 is 47984991.

It is an interprime number because it is at equal distance from previous prime (19948969) and next prime (19948979).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19948979) 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, 87382 + ... + 87609.

It is an arithmetic number, because the mean of its divisors is an integer number (2624880).

Almost surely, 2^19948974 is an apocalyptic number.

19948974 is an abundant number, since it is smaller than the sum of its proper divisors (22049106).

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

19948974 is a wasteful number, since it uses less digits than its factorization.

19948974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175015.

The product of its digits is 653184, while the sum is 51.

The square root of 19948974 is about 4466.4274314042. The cubic root of 19948974 is about 271.2107219419.

The spelling of 19948974 in words is "nineteen million, nine hundred forty-eight thousand, nine hundred seventy-four".