245904380 has 12 divisors (see below), whose sum is σ = 516399240. Its totient is φ = 98361744.

The previous prime is 245904317. The next prime is 245904443. The reversal of 245904380 is 83409542.

245904380 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (245904317) and next prime (245904443).

It is a self number, because there is not a number n which added to its sum of digits gives 245904380.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6147590 + ... + 6147629.

It is an arithmetic number, because the mean of its divisors is an integer number (43033270).

Almost surely, 2^245904380 is an apocalyptic number.

245904380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245904380 is an abundant number, since it is smaller than the sum of its proper divisors (270494860).

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

245904380 is a wasteful number, since it uses less digits than its factorization.

245904380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12295228 (or 12295226 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 245904380 is about 15681.3385908219. The cubic root of 245904380 is about 626.5014610286.

The spelling of 245904380 in words is "two hundred forty-five million, nine hundred four thousand, three hundred eighty".