10781964 has 24 divisors (see below), whose sum is σ = 27953520. Its totient is φ = 3593952.

The previous prime is 10781959. The next prime is 10781971. The reversal of 10781964 is 46918701.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49809 + ... + 50024.

It is an arithmetic number, because the mean of its divisors is an integer number (1164730).

Almost surely, 2^10781964 is an apocalyptic number.

It is an amenable number.

10781964 is an abundant number, since it is smaller than the sum of its proper divisors (17171556).

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

10781964 is a wasteful number, since it uses less digits than its factorization.

10781964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99846 (or 99838 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 10781964 is about 3283.5901084027. The cubic root of 10781964 is about 220.9187747068.

The spelling of 10781964 in words is "ten million, seven hundred eighty-one thousand, nine hundred sixty-four".