245396870 has 32 divisors (see below), whose sum is σ = 477664128. Its totient is φ = 90416128.

The previous prime is 245396863. The next prime is 245396881. The reversal of 245396870 is 78693542.

It is a super-3 number, since 3×245396870³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 7367 + ... + 23346.

It is an arithmetic number, because the mean of its divisors is an integer number (14927004).

Almost surely, 2^245396870 is an apocalyptic number.

245396870 is a deficient number, since it is larger than the sum of its proper divisors (232267258).

245396870 is a wasteful number, since it uses less digits than its factorization.

245396870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30784.

The product of its (nonzero) digits is 362880, while the sum is 44.

The square root of 245396870 is about 15665.1482597516. The cubic root of 245396870 is about 626.0701622918.

The spelling of 245396870 in words is "two hundred forty-five million, three hundred ninety-six thousand, eight hundred seventy".