260432646 has 8 divisors (see below), whose sum is σ = 520865304. Its totient is φ = 86810880.

The previous prime is 260432633. The next prime is 260432647. The reversal of 260432646 is 646234062.

260432646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

260432646 is an admirable number.

It is a super-2 number, since 2×260432646² = 135650326205122632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260432647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21702715 + ... + 21702726.

It is an arithmetic number, because the mean of its divisors is an integer number (65108163).

Almost surely, 2^260432646 is an apocalyptic number.

260432646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

260432646 is a wasteful number, since it uses less digits than its factorization.

260432646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43405446.

The product of its (nonzero) digits is 41472, while the sum is 33.

The square root of 260432646 is about 16137.9257031379. The cubic root of 260432646 is about 638.6042548489.

The spelling of 260432646 in words is "two hundred sixty million, four hundred thirty-two thousand, six hundred forty-six".