1392968 has 8 divisors (see below), whose sum is σ = 2611830. Its totient is φ = 696480.

The previous prime is 1392959. The next prime is 1392977. The reversal of 1392968 is 8692931.

It is an interprime number because it is at equal distance from previous prime (1392959) and next prime (1392977).

It can be written as a sum of positive squares in only one way, i.e., 1304164 + 88804 = 1142^2 + 298^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 87053 + ... + 87068.

2^1392968 is an apocalyptic number.

It is an amenable number.

1392968 is a deficient number, since it is larger than the sum of its proper divisors (1218862).

1392968 is a wasteful number, since it uses less digits than its factorization.

1392968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174127 (or 174123 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 1392968 is about 1180.2406534262. The cubic root of 1392968 is about 111.6812792441.

The spelling of 1392968 in words is "one million, three hundred ninety-two thousand, nine hundred sixty-eight".