1392424 has 16 divisors (see below), whose sum is σ = 2848320. Its totient is φ = 632880.

The previous prime is 1392407. The next prime is 1392431. The reversal of 1392424 is 4242931.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7824 + ... + 7999.

It is an arithmetic number, because the mean of its divisors is an integer number (178020).

2^1392424 is an apocalyptic number.

It is an amenable number.

1392424 is an abundant number, since it is smaller than the sum of its proper divisors (1455896).

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

1392424 is a wasteful number, since it uses less digits than its factorization.

1392424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15840 (or 15836 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 1392424 is about 1180.0101694477. The cubic root of 1392424 is about 111.6667389421. Note that the first 3 decimals are identical.

The spelling of 1392424 in words is "one million, three hundred ninety-two thousand, four hundred twenty-four".