1892420 has 12 divisors (see below), whose sum is σ = 3974124. Its totient is φ = 756960.

The previous prime is 1892413. The next prime is 1892431. The reversal of 1892420 is 242981.

It can be written as a sum of positive squares in 2 ways, for example, as 369664 + 1522756 = 608^2 + 1234^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1892420.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47291 + ... + 47330.

It is an arithmetic number, because the mean of its divisors is an integer number (331177).

2^1892420 is an apocalyptic number.

1892420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1892420 is an abundant number, since it is smaller than the sum of its proper divisors (2081704).

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

1892420 is a wasteful number, since it uses less digits than its factorization.

1892420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94630 (or 94628 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1892420 is about 1375.6525724179. The cubic root of 1892420 is about 123.6913063841.

The spelling of 1892420 in words is "one million, eight hundred ninety-two thousand, four hundred twenty".