19490252 has 12 divisors (see below), whose sum is σ = 34940136. Its totient is φ = 9507360.

The previous prime is 19490239. The next prime is 19490267. The reversal of 19490252 is 25209491.

It is a hoax number, since the sum of its digits (32) 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 3 ways as a sum of consecutive naturals, for example, 59258 + ... + 59585.

It is an arithmetic number, because the mean of its divisors is an integer number (2911678).

Almost surely, 2^19490252 is an apocalyptic number.

It is an amenable number.

19490252 is a deficient number, since it is larger than the sum of its proper divisors (15449884).

19490252 is a wasteful number, since it uses less digits than its factorization.

19490252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118888 (or 118886 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 19490252 is about 4414.7765515369. The cubic root of 19490252 is about 269.1157722256.

The spelling of 19490252 in words is "nineteen million, four hundred ninety thousand, two hundred fifty-two".