1380396 has 24 divisors (see below), whose sum is σ = 3309040. Its totient is φ = 447552.

The previous prime is 1380389. The next prime is 1380397. The reversal of 1380396 is 6930831.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (1380397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1111 + ... + 1998.

2^1380396 is an apocalyptic number.

It is an amenable number.

1380396 is an abundant number, since it is smaller than the sum of its proper divisors (1928644).

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

1380396 is a wasteful number, since it uses less digits than its factorization.

1380396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3153 (or 3151 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 30.

The square root of 1380396 is about 1174.9025491504. The cubic root of 1380396 is about 111.3442764372.

The spelling of 1380396 in words is "one million, three hundred eighty thousand, three hundred ninety-six".