1304090232 has 32 divisors (see below), whose sum is σ = 3431817600. Its totient is φ = 411817824.

The previous prime is 1304090231. The next prime is 1304090261. The reversal of 1304090232 is 2320904031.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1304090231) 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, 1429468 + ... + 1430379.

It is an arithmetic number, because the mean of its divisors is an integer number (107244300).

Almost surely, 2^1304090232 is an apocalyptic number.

1304090232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1304090232 is an abundant number, since it is smaller than the sum of its proper divisors (2127727368).

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

1304090232 is a wasteful number, since it uses less digits than its factorization.

1304090232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859875 (or 2859871 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1304090232 is about 36112.1895209914. The cubic root of 1304090232 is about 1092.5363129243.

Adding to 1304090232 its reverse (2320904031), we get a palindrome (3624994263).

The spelling of 1304090232 in words is "one billion, three hundred four million, ninety thousand, two hundred thirty-two".