1992264 has 64 divisors (see below), whose sum is σ = 5572800. Its totient is φ = 589824.

The previous prime is 1992259. The next prime is 1992269. The reversal of 1992264 is 4622991.

It is an interprime number because it is at equal distance from previous prime (1992259) and next prime (1992269).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7624 + ... + 7880.

It is an arithmetic number, because the mean of its divisors is an integer number (87075).

2^1992264 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 1992264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2786400).

1992264 is an abundant number, since it is smaller than the sum of its proper divisors (3580536).

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

1992264 is a wasteful number, since it uses less digits than its factorization.

1992264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302 (or 298 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 1992264 is about 1411.4758233849. The cubic root of 1992264 is about 125.8294492707.

The spelling of 1992264 in words is "one million, nine hundred ninety-two thousand, two hundred sixty-four".