1902330 has 48 divisors (see below), whose sum is σ = 5166720. Its totient is φ = 484704.

The previous prime is 1902319. The next prime is 1902343. The reversal of 1902330 is 332091.

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 23 ways as a sum of consecutive naturals, for example, 1611 + ... + 2529.

It is an arithmetic number, because the mean of its divisors is an integer number (107640).

2^1902330 is an apocalyptic number.

1902330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1902330 is the 690-th decagonal number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2583360).

1902330 is an abundant number, since it is smaller than the sum of its proper divisors (3264390).

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

1902330 is a wasteful number, since it uses less digits than its factorization.

1902330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955 (or 952 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1902330 is about 1379.2497960848. The cubic root of 1902330 is about 123.9068412328.

The spelling of 1902330 in words is "one million, nine hundred two thousand, three hundred thirty".