3671889408 has 240 divisors, whose sum is σ = 11993357376. Its totient is φ = 1112279040.

The previous prime is 3671889401. The next prime is 3671889421. The reversal of 3671889408 is 8049881763.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3671889401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1367235 + ... + 1369917.

Almost surely, 2^3671889408 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 3671889408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5996678688).

3671889408 is an abundant number, since it is smaller than the sum of its proper divisors (8321467968).

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

3671889408 is an equidigital number, since it uses as much as digits as its factorization.

3671889408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2727 (or 2699 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The square root of 3671889408 is about 60596.1171033260. The cubic root of 3671889408 is about 1542.7534660492.

The spelling of 3671889408 in words is "three billion, six hundred seventy-one million, eight hundred eighty-nine thousand, four hundred eight".