1392938 has 8 divisors (see below), whose sum is σ = 2096388. Its totient is φ = 694144.

The previous prime is 1392901. The next prime is 1392943. The reversal of 1392938 is 8392931.

It can be written as a sum of positive squares in 2 ways, for example, as 1338649 + 54289 = 1157^2 + 233^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1392898 and 1392907.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 281 + ... + 1692.

2^1392938 is an apocalyptic number.

1392938 is a deficient number, since it is larger than the sum of its proper divisors (703450).

1392938 is a wasteful number, since it uses less digits than its factorization.

1392938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2328.

The product of its digits is 11664, while the sum is 35.

The square root of 1392938 is about 1180.2279440854. The cubic root of 1392938 is about 111.6804774879.

The spelling of 1392938 in words is "one million, three hundred ninety-two thousand, nine hundred thirty-eight".