1330392 has 32 divisors (see below), whose sum is σ = 3801600. Its totient is φ = 380064.

The previous prime is 1330337. The next prime is 1330393. The reversal of 1330392 is 2930331.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330393) 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, 3792 + ... + 4127.

It is an arithmetic number, because the mean of its divisors is an integer number (118800).

2^1330392 is an apocalyptic number.

1330392 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1330392 is an abundant number, since it is smaller than the sum of its proper divisors (2471208).

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

1330392 is a wasteful number, since it uses less digits than its factorization.

1330392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7935 (or 7931 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 21.

The square root of 1330392 is about 1153.4262005001. The cubic root of 1330392 is about 109.9832481377.

The spelling of 1330392 in words is "one million, three hundred thirty thousand, three hundred ninety-two".