1392270 has 32 divisors (see below), whose sum is σ = 3646080. Its totient is φ = 337440.

The previous prime is 1392269. The next prime is 1392271. The reversal of 1392270 is 722931.

It is an interprime number because it is at equal distance from previous prime (1392269) and next prime (1392271).

It is a self number, because there is not a number n which added to its sum of digits gives 1392270.

It is a congruent number.

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

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780 + ... + 2439.

It is an arithmetic number, because the mean of its divisors is an integer number (113940).

2^1392270 is an apocalyptic number.

1392270 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1392270 is an abundant number, since it is smaller than the sum of its proper divisors (2253810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1392270 is a wasteful number, since it uses less digits than its factorization.

1392270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 1392270 is about 1179.9449139684. The cubic root of 1392270 is about 111.6626220658.

The spelling of 1392270 in words is "one million, three hundred ninety-two thousand, two hundred seventy".