3921090048 has 120 divisors (see below), whose sum is σ = 11808873648. Its totient is φ = 1250168832.

The previous prime is 3921090011. The next prime is 3921090053. The reversal of 3921090048 is 8400901293.

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

It is a junction number, because it is equal to n+sod(n) for n = 3921089994 and 3921090021.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 87486 + ... + 124482.

Almost surely, 2^3921090048 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 3921090048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5904436824).

3921090048 is an abundant number, since it is smaller than the sum of its proper divisors (7887783600).

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

3921090048 is a wasteful number, since it uses less digits than its factorization.

3921090048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37044 (or 37025 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 3921090048 is about 62618.6078414396. The cubic root of 3921090048 is about 1576.8931695822.

The spelling of 3921090048 in words is "three billion, nine hundred twenty-one million, ninety thousand, forty-eight".