1392764 has 6 divisors (see below), whose sum is σ = 2437344. Its totient is φ = 696380.

The previous prime is 1392763. The next prime is 1392773. The reversal of 1392764 is 4672931.

It is a self number, because there is not a number n which added to its sum of digits gives 1392764.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1392763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174092 + ... + 174099.

It is an arithmetic number, because the mean of its divisors is an integer number (406224).

2^1392764 is an apocalyptic number.

It is an amenable number.

1392764 is a deficient number, since it is larger than the sum of its proper divisors (1044580).

1392764 is a wasteful number, since it uses less digits than its factorization.

1392764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 348195 (or 348193 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 1392764 is about 1180.1542272093. The cubic root of 1392764 is about 111.6758270746.

The spelling of 1392764 in words is "one million, three hundred ninety-two thousand, seven hundred sixty-four".