3890422492 has 48 divisors (see below), whose sum is σ = 7814386944. Its totient is φ = 1691434800.

The previous prime is 3890422483. The next prime is 3890422499. The reversal of 3890422492 is 2942240983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3890422499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 106567 + ... + 138337.

It is an arithmetic number, because the mean of its divisors is an integer number (162799728).

Almost surely, 2^3890422492 is an apocalyptic number.

It is an amenable number.

3890422492 is an abundant number, since it is smaller than the sum of its proper divisors (3923964452).

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

3890422492 is a wasteful number, since it uses less digits than its factorization.

3890422492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31831 (or 31807 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 43.

The square root of 3890422492 is about 62373.2514143683. The cubic root of 3890422492 is about 1572.7713492287.

The spelling of 3890422492 in words is "three billion, eight hundred ninety million, four hundred twenty-two thousand, four hundred ninety-two".