3801609620 has 24 divisors (see below), whose sum is σ = 7990703784. Its totient is φ = 1519248896.

The previous prime is 3801609613. The next prime is 3801609631. The reversal of 3801609620 is 269061083.

It can be written as a sum of positive squares in 4 ways, for example, as 803609104 + 2998000516 = 28348^2 + 54754^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64697 + ... + 108576.

It is an arithmetic number, because the mean of its divisors is an integer number (332945991).

Almost surely, 2^3801609620 is an apocalyptic number.

It is an amenable number.

3801609620 is an abundant number, since it is smaller than the sum of its proper divisors (4189094164).

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

3801609620 is a wasteful number, since it uses less digits than its factorization.

3801609620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174379 (or 174377 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3801609620 is about 61657.1943896250. The cubic root of 3801609620 is about 1560.7110526862.

The spelling of 3801609620 in words is "three billion, eight hundred one million, six hundred nine thousand, six hundred twenty".