245936388 has 12 divisors (see below), whose sum is σ = 573851600. Its totient is φ = 81978792.

The previous prime is 245936381. The next prime is 245936527. The reversal of 245936388 is 883639542.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (245936381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10247338 + ... + 10247361.

Almost surely, 2^245936388 is an apocalyptic number.

It is an amenable number.

245936388 is an abundant number, since it is smaller than the sum of its proper divisors (327915212).

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

245936388 is a wasteful number, since it uses less digits than its factorization.

245936388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20494706 (or 20494704 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 48.

The square root of 245936388 is about 15682.3591337528. The cubic root of 245936388 is about 626.5286425815.

The spelling of 245936388 in words is "two hundred forty-five million, nine hundred thirty-six thousand, three hundred eighty-eight".