1902488 has 32 divisors (see below), whose sum is σ = 4160160. Its totient is φ = 798720.

The previous prime is 1902469. The next prime is 1902497. The reversal of 1902488 is 8842091.

It is a happy number.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2648 + ... + 3288.

It is an arithmetic number, because the mean of its divisors is an integer number (130005).

2^1902488 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 1902488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2080080).

1902488 is an abundant number, since it is smaller than the sum of its proper divisors (2257672).

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

1902488 is a wasteful number, since it uses less digits than its factorization.

1902488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 1902488 is about 1379.3070724099. The cubic root of 1902488 is about 123.9102715417.

The spelling of 1902488 in words is "one million, nine hundred two thousand, four hundred eighty-eight".