1357864 has 8 divisors (see below), whose sum is σ = 2546010. Its totient is φ = 678928.

The previous prime is 1357843. The next prime is 1357871. The reversal of 1357864 is 4687531.

It can be written as a sum of positive squares in only one way, i.e., 1340964 + 16900 = 1158^2 + 130^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84859 + ... + 84874.

2^1357864 is an apocalyptic number.

It is an amenable number.

1357864 is a deficient number, since it is larger than the sum of its proper divisors (1188146).

1357864 is a wasteful number, since it uses less digits than its factorization.

1357864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169739 (or 169735 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 1357864 is about 1165.2742166546. The cubic root of 1357864 is about 110.7351312615.

The spelling of 1357864 in words is "one million, three hundred fifty-seven thousand, eight hundred sixty-four".