19309052 has 24 divisors (see below), whose sum is σ = 40298496. Its totient is φ = 7915248.

The previous prime is 19309039. The next prime is 19309061. The reversal of 19309052 is 25090391.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14348 + ... + 15635.

It is an arithmetic number, because the mean of its divisors is an integer number (1679104).

Almost surely, 2^19309052 is an apocalyptic number.

It is an amenable number.

19309052 is an abundant number, since it is smaller than the sum of its proper divisors (20989444).

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

19309052 is a wasteful number, since it uses less digits than its factorization.

19309052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30017 (or 30015 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 29.

The square root of 19309052 is about 4394.2066405666. The cubic root of 19309052 is about 268.2791885232.

The spelling of 19309052 in words is "nineteen million, three hundred nine thousand, fifty-two".