3902270436 has 72 divisors (see below), whose sum is σ = 10302661824. Its totient is φ = 1243028160.

The previous prime is 3902270429. The next prime is 3902270447. The reversal of 3902270436 is 6340722093.

It is a happy number.

3902270436 is a `hidden beast` number, since 390 + 227 + 0 + 43 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 3902270436.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1440195 + ... + 1442901.

Almost surely, 2^3902270436 is an apocalyptic number.

3902270436 is a gapful number since it is divisible by the number (36) 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 3902270436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5151330912).

3902270436 is an abundant number, since it is smaller than the sum of its proper divisors (6400391388).

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

3902270436 is a wasteful number, since it uses less digits than its factorization.

3902270436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4481 (or 4476 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 36.

The square root of 3902270436 is about 62468.1553753591. The cubic root of 3902270436 is about 1574.3663107582.

The spelling of 3902270436 in words is "three billion, nine hundred two million, two hundred seventy thousand, four hundred thirty-six".