611264 has 14 divisors (see below), whose sum is σ = 1213104. Its totient is φ = 305600.

The previous prime is 611263. The next prime is 611279. The reversal of 611264 is 462116.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4712 + ... + 4839.

2⁶¹¹²⁶⁴ is an apocalyptic number.

611264 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

611264 is a deficient number, since it is larger than the sum of its proper divisors (601840).

611264 is an equidigital number, since it uses as much as digits as its factorization.

611264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9563 (or 9553 counting only the distinct ones).

The product of its digits is 288, while the sum is 20.

The square root of 611264 is about 781.8337419170. The cubic root of 611264 is about 84.8677991075.

The spelling of 611264 in words is "six hundred eleven thousand, two hundred sixty-four".