3925797090 has 64 divisors (see below), whose sum is σ = 9846144000. Its totient is φ = 999877824.

The previous prime is 3925797049. The next prime is 3925797091. The reversal of 3925797090 is 907975293.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (3925797091) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 506061 + ... + 513759.

It is an arithmetic number, because the mean of its divisors is an integer number (153846000).

Almost surely, 2^3925797090 is an apocalyptic number.

3925797090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3925797090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4923072000).

3925797090 is an abundant number, since it is smaller than the sum of its proper divisors (5920346910).

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

3925797090 is a wasteful number, since it uses less digits than its factorization.

3925797090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8471.

The product of its (nonzero) digits is 1071630, while the sum is 51.

The square root of 3925797090 is about 62656.1815785163. The cubic root of 3925797090 is about 1577.5239069683.

The spelling of 3925797090 in words is "three billion, nine hundred twenty-five million, seven hundred ninety-seven thousand, ninety".