1902427956 has 144 divisors (see below), whose sum is σ = 5844908160. Its totient is φ = 513757440.

The previous prime is 1902427937. The next prime is 1902427979. The reversal of 1902427956 is 6597242091.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 142921 + ... + 155663.

It is an arithmetic number, because the mean of its divisors is an integer number (40589640).

Almost surely, 2^1902427956 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 1902427956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2922454080).

1902427956 is an abundant number, since it is smaller than the sum of its proper divisors (3942480204).

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

1902427956 is a wasteful number, since it uses less digits than its factorization.

1902427956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12806 (or 12801 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 1902427956 is about 43616.8311091028. The cubic root of 1902427956 is about 1239.0896795987.

The spelling of 1902427956 in words is "one billion, nine hundred two million, four hundred twenty-seven thousand, nine hundred fifty-six".