2309890132 has 24 divisors (see below), whose sum is σ = 4437891360. Its totient is φ = 1043259360.

The previous prime is 2309890127. The next prime is 2309890139. The reversal of 2309890132 is 2310989032.

It is a junction number, because it is equal to n+sod(n) for n = 2309890091 and 2309890100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2309890139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160282 + ... + 174097.

It is an arithmetic number, because the mean of its divisors is an integer number (184912140).

Almost surely, 2^2309890132 is an apocalyptic number.

2309890132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2309890132 is a deficient number, since it is larger than the sum of its proper divisors (2128001228).

2309890132 is a wasteful number, since it uses less digits than its factorization.

2309890132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334551 (or 334549 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 2309890132 is about 48061.3163781435. The cubic root of 2309890132 is about 1321.8954503313.

The spelling of 2309890132 in words is "two billion, three hundred nine million, eight hundred ninety thousand, one hundred thirty-two".