245864346 has 32 divisors (see below), whose sum is σ = 605205888. Its totient is φ = 64843200.

The previous prime is 245864321. The next prime is 245864347. The reversal of 245864346 is 643468542.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 245864298 and 245864307.

It is not an unprimeable number, because it can be changed into a prime (245864347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 224605 + ... + 225696.

It is an arithmetic number, because the mean of its divisors is an integer number (18912684).

Almost surely, 2^245864346 is an apocalyptic number.

245864346 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

245864346 is an abundant number, since it is smaller than the sum of its proper divisors (359341542).

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

245864346 is a wasteful number, since it uses less digits than its factorization.

245864346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450326.

The product of its digits is 552960, while the sum is 42.

The square root of 245864346 is about 15680.0620534486. The cubic root of 245864346 is about 626.4674603861.

The spelling of 245864346 in words is "two hundred forty-five million, eight hundred sixty-four thousand, three hundred forty-six".