1392969 has 8 divisors (see below), whose sum is σ = 1864512. Its totient is φ = 925040.

The previous prime is 1392959. The next prime is 1392977. The reversal of 1392969 is 9692931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1392969 - 2⁴ = 1392953 is a prime.

It is a super-2 number, since 2×1392969² = 3880725269922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1392959) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (233064).

2^1392969 is an apocalyptic number.

It is an amenable number.

1392969 is a deficient number, since it is larger than the sum of its proper divisors (471543).

1392969 is a wasteful number, since it uses less digits than its factorization.

1392969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1807.

The product of its digits is 26244, while the sum is 39.

The square root of 1392969 is about 1180.2410770686. The cubic root of 1392969 is about 111.6813059691.

The spelling of 1392969 in words is "one million, three hundred ninety-two thousand, nine hundred sixty-nine".