1655264 has 48 divisors (see below), whose sum is σ = 3683232. Its totient is φ = 726528.

The previous prime is 1655263. The next prime is 1655279. The reversal of 1655264 is 4625561.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1655263) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9482 + ... + 9654.

It is an arithmetic number, because the mean of its divisors is an integer number (76734).

2^1655264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1655264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1841616).

1655264 is an abundant number, since it is smaller than the sum of its proper divisors (2027968).

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

1655264 is a wasteful number, since it uses less digits than its factorization.

1655264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219 (or 211 counting only the distinct ones).

The product of its digits is 7200, while the sum is 29.

The square root of 1655264 is about 1286.5706354491. The cubic root of 1655264 is about 118.2921040435.

The spelling of 1655264 in words is "one million, six hundred fifty-five thousand, two hundred sixty-four".