1392984 has 32 divisors (see below), whose sum is σ = 3870000. Its totient is φ = 464256.

The previous prime is 1392983. The next prime is 1393003. The reversal of 1392984 is 4892931.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392983) 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, 3009 + ... + 3440.

2^1392984 is an apocalyptic number.

It is an amenable number.

1392984 is an abundant number, since it is smaller than the sum of its proper divisors (2477016).

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

1392984 is a wasteful number, since it uses less digits than its factorization.

1392984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6464 (or 6454 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 1392984 is about 1180.2474316854. The cubic root of 1392984 is about 111.6817068428.

The spelling of 1392984 in words is "one million, three hundred ninety-two thousand, nine hundred eighty-four".