1392264 has 48 divisors (see below), whose sum is σ = 3844620. Its totient is φ = 455040.

The previous prime is 1392253. The next prime is 1392269. The reversal of 1392264 is 4622931.

It can be written as a sum of positive squares in 2 ways, for example, as 980100 + 412164 = 990^2 + 642^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1392269) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4234 + ... + 4550.

2^1392264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1392264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1922310).

1392264 is an abundant number, since it is smaller than the sum of its proper divisors (2452356).

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

1392264 is a wasteful number, since it uses less digits than its factorization.

1392264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 383 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 1392264 is about 1179.9423714741. The cubic root of 1392264 is about 111.6624616619.

The spelling of 1392264 in words is "one million, three hundred ninety-two thousand, two hundred sixty-four".