1918264 has 8 divisors (see below), whose sum is σ = 3596760. Its totient is φ = 959128.

The previous prime is 1918247. The next prime is 1918283. The reversal of 1918264 is 4628191.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119884 + ... + 119899.

It is an arithmetic number, because the mean of its divisors is an integer number (449595).

2^1918264 is an apocalyptic number.

It is an amenable number.

1918264 is a deficient number, since it is larger than the sum of its proper divisors (1678496).

1918264 is a wasteful number, since it uses less digits than its factorization.

1918264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239789 (or 239785 counting only the distinct ones).

The product of its digits is 3456, while the sum is 31.

The square root of 1918264 is about 1385.0140793508. The cubic root of 1918264 is about 124.2518295285.

The spelling of 1918264 in words is "one million, nine hundred eighteen thousand, two hundred sixty-four".