19324940 has 24 divisors (see below), whose sum is σ = 41573952. Its totient is φ = 7541120.

The previous prime is 19324939. The next prime is 19324951. The reversal of 19324940 is 4942391.

19324940 = 60² + 61² + ... + 387².

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 19324897 and 19324906.

It is a congruent number.

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, 10964 + ... + 12603.

It is an arithmetic number, because the mean of its divisors is an integer number (1732248).

Almost surely, 2^19324940 is an apocalyptic number.

19324940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19324940 is an abundant number, since it is smaller than the sum of its proper divisors (22249012).

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

19324940 is a wasteful number, since it uses less digits than its factorization.

19324940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23617 (or 23615 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 19324940 is about 4396.0141037080. The cubic root of 19324940 is about 268.3527507606.

The spelling of 19324940 in words is "nineteen million, three hundred twenty-four thousand, nine hundred forty".