1392274 has 8 divisors (see below), whose sum is σ = 2249100. Its totient is φ = 642576.

The previous prime is 1392271. The next prime is 1392277. The reversal of 1392274 is 4722931.

It is an interprime number because it is at equal distance from previous prime (1392271) and next prime (1392277).

It can be written as a sum of positive squares in 2 ways, for example, as 1014049 + 378225 = 1007^2 + 615^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1392271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26749 + ... + 26800.

2^1392274 is an apocalyptic number.

1392274 is a deficient number, since it is larger than the sum of its proper divisors (856826).

1392274 is a wasteful number, since it uses less digits than its factorization.

1392274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53564.

The product of its digits is 3024, while the sum is 28.

The square root of 1392274 is about 1179.9466089616. The cubic root of 1392274 is about 111.6627290015.

The spelling of 1392274 in words is "one million, three hundred ninety-two thousand, two hundred seventy-four".