1902132 has 18 divisors (see below), whose sum is σ = 4808258. Its totient is φ = 634032.

The previous prime is 1902127. The next prime is 1902143. The reversal of 1902132 is 2312091.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 992016 + 910116 = 996^2 + 954^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1902132² = 7236212290848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26383 + ... + 26454.

2^1902132 is an apocalyptic number.

1902132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1902132 is an abundant number, since it is smaller than the sum of its proper divisors (2906126).

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

1902132 is a wasteful number, since it uses less digits than its factorization.

1902132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52847 (or 52842 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1902132 is about 1379.1780160661. The cubic root of 1902132 is about 123.9025422230.

The spelling of 1902132 in words is "one million, nine hundred two thousand, one hundred thirty-two".