3781264 has 10 divisors (see below), whose sum is σ = 7326230. Its totient is φ = 1890624.

The previous prime is 3781249. The next prime is 3781277. The reversal of 3781264 is 4621873.

3781264 is nontrivially palindromic in base 7.

It can be written as a sum of positive squares in only one way, i.e., 3686400 + 94864 = 1920^2 + 308^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 118149 + ... + 118180.

It is an arithmetic number, because the mean of its divisors is an integer number (732623).

Almost surely, 2^3781264 is an apocalyptic number.

It is an amenable number.

3781264 is a deficient number, since it is larger than the sum of its proper divisors (3544966).

3781264 is a wasteful number, since it uses less digits than its factorization.

3781264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236337 (or 236331 counting only the distinct ones).

The product of its digits is 8064, while the sum is 31.

The square root of 3781264 is about 1944.5472480760. The cubic root of 3781264 is about 155.7921843812.

The spelling of 3781264 in words is "three million, seven hundred eighty-one thousand, two hundred sixty-four".