19252940 has 48 divisors (see below), whose sum is σ = 46654272. Its totient is φ = 6537216.

The previous prime is 19252927. The next prime is 19252963. The reversal of 19252940 is 4925291.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 19252897 and 19252906.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15212 + ... + 16428.

It is an arithmetic number, because the mean of its divisors is an integer number (971964).

Almost surely, 2^19252940 is an apocalyptic number.

19252940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19252940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23327136).

19252940 is an abundant number, since it is smaller than the sum of its proper divisors (27401332).

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

19252940 is a wasteful number, since it uses less digits than its factorization.

19252940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1344 counting only the distinct ones).

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

The square root of 19252940 is about 4387.8172249992. The cubic root of 19252940 is about 268.0190637660.

The spelling of 19252940 in words is "nineteen million, two hundred fifty-two thousand, nine hundred forty".