246656240 has 20 divisors (see below), whose sum is σ = 573475944. Its totient is φ = 98662464.

The previous prime is 246656237. The next prime is 246656251. The reversal of 246656240 is 42656642.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 246656240.

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, 1541522 + ... + 1541681.

Almost surely, 2^246656240 is an apocalyptic number.

246656240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

246656240 is an abundant number, since it is smaller than the sum of its proper divisors (326819704).

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

246656240 is a wasteful number, since it uses less digits than its factorization.

246656240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3083216 (or 3083210 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 246656240 is about 15705.2933751649. The cubic root of 246656240 is about 627.1393270261.

The spelling of 246656240 in words is "two hundred forty-six million, six hundred fifty-six thousand, two hundred forty".