245932940 has 24 divisors (see below), whose sum is σ = 563410512. Its totient is φ = 89430080.

The previous prime is 245932909. The next prime is 245932961. The reversal of 245932940 is 49239542.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 245932894 and 245932903.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 558719 + ... + 559158.

It is an arithmetic number, because the mean of its divisors is an integer number (23475438).

Almost surely, 2^245932940 is an apocalyptic number.

245932940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

245932940 is an abundant number, since it is smaller than the sum of its proper divisors (317477572).

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

245932940 is a wasteful number, since it uses less digits than its factorization.

245932940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117897 (or 1117895 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 245932940 is about 15682.2492009278. The cubic root of 245932940 is about 626.5257146145.

The spelling of 245932940 in words is "two hundred forty-five million, nine hundred thirty-two thousand, nine hundred forty".