1392868 has 6 divisors (see below), whose sum is σ = 2437526. Its totient is φ = 696432.

The previous prime is 1392851. The next prime is 1392877. The reversal of 1392868 is 8682931.

It can be written as a sum of positive squares in only one way, i.e., 1387684 + 5184 = 1178^2 + 72^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174105 + ... + 174112.

2^1392868 is an apocalyptic number.

It is an amenable number.

1392868 is a deficient number, since it is larger than the sum of its proper divisors (1044658).

1392868 is a wasteful number, since it uses less digits than its factorization.

1392868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 348221 (or 348219 counting only the distinct ones).

The product of its digits is 20736, while the sum is 37.

The square root of 1392868 is about 1180.1982884244. The cubic root of 1392868 is about 111.6786066785.

The spelling of 1392868 in words is "one million, three hundred ninety-two thousand, eight hundred sixty-eight".