19849252 has 24 divisors (see below), whose sum is σ = 35622720. Its totient is φ = 9674400.

The previous prime is 19849231. The next prime is 19849267. The reversal of 19849252 is 25294891.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

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, 35358 + ... + 35914.

It is an arithmetic number, because the mean of its divisors is an integer number (1484280).

Almost surely, 2^19849252 is an apocalyptic number.

19849252 is the 2228-th decagonal number.

It is an amenable number.

19849252 is a deficient number, since it is larger than the sum of its proper divisors (15773468).

19849252 is a wasteful number, since it uses less digits than its factorization.

19849252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771 (or 769 counting only the distinct ones).

The product of its digits is 51840, while the sum is 40.

The square root of 19849252 is about 4455.2499368722. The cubic root of 19849252 is about 270.7580525970.

It can be divided in two parts, 1984 and 9252, that added together give a square (11236 = 106²).

The spelling of 19849252 in words is "nineteen million, eight hundred forty-nine thousand, two hundred fifty-two".