1902346992 has 480 divisors, whose sum is σ = 7092879360. Its totient is φ = 483356160.

The previous prime is 1902346981. The next prime is 1902346993. The reversal of 1902346992 is 2996432091.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1902346993) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 8530593 + ... + 8530815.

It is an arithmetic number, because the mean of its divisors is an integer number (14776832).

Almost surely, 2^1902346992 is an apocalyptic number.

1902346992 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1902346992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3546439680).

1902346992 is an abundant number, since it is smaller than the sum of its proper divisors (5190532368).

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

1902346992 is a wasteful number, since it uses less digits than its factorization.

1902346992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 279 counting only the distinct ones).

The product of its (nonzero) digits is 209952, while the sum is 45.

The square root of 1902346992 is about 43615.9029712787. The cubic root of 1902346992 is about 1239.0721015208.

The spelling of 1902346992 in words is "one billion, nine hundred two million, three hundred forty-six thousand, nine hundred ninety-two".