1392380 has 24 divisors (see below), whose sum is σ = 3190320. Its totient is φ = 506240.

The previous prime is 1392379. The next prime is 1392407. The reversal of 1392380 is 832931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2945 + ... + 3384.

It is an arithmetic number, because the mean of its divisors is an integer number (132930).

2^1392380 is an apocalyptic number.

1392380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1392380 is an abundant number, since it is smaller than the sum of its proper divisors (1797940).

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

1392380 is a wasteful number, since it uses less digits than its factorization.

1392380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6349 (or 6347 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 1392380 is about 1179.9915253933. The cubic root of 1392380 is about 111.6655627227.

The spelling of 1392380 in words is "one million, three hundred ninety-two thousand, three hundred eighty".