1936509372 has 72 divisors (see below), whose sum is σ = 5923453536. Its totient is φ = 520740864.

The previous prime is 1936509349. The next prime is 1936509373. The reversal of 1936509372 is 2739056391.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1936509373) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 221733 + ... + 230300.

It is an arithmetic number, because the mean of its divisors is an integer number (82270188).

Almost surely, 2^1936509372 is an apocalyptic number.

1936509372 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1936509372 is an abundant number, since it is smaller than the sum of its proper divisors (3986944164).

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

1936509372 is a wasteful number, since it uses less digits than its factorization.

1936509372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452067 (or 452062 counting only the distinct ones).

The product of its (nonzero) digits is 306180, while the sum is 45.

The square root of 1936509372 is about 44005.7879374975. The cubic root of 1936509372 is about 1246.4452331824.

The spelling of 1936509372 in words is "one billion, nine hundred thirty-six million, five hundred nine thousand, three hundred seventy-two".