1009923772 has 48 divisors (see below), whose sum is σ = 2079995904. Its totient is φ = 423000000.

The previous prime is 1009923751. The next prime is 1009923773. The reversal of 1009923772 is 2773299001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009923773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 428397 + ... + 430747.

It is an arithmetic number, because the mean of its divisors is an integer number (43333248).

Almost surely, 2^1009923772 is an apocalyptic number.

It is an amenable number.

1009923772 is an abundant number, since it is smaller than the sum of its proper divisors (1070072132).

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

1009923772 is a wasteful number, since it uses less digits than its factorization.

1009923772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3130 (or 3128 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 1009923772 is about 31779.2978525329. The cubic root of 1009923772 is about 1003.2970415701.

The spelling of 1009923772 in words is "one billion, nine million, nine hundred twenty-three thousand, seven hundred seventy-two".