3798197440 has 56 divisors (see below), whose sum is σ = 9064428912. Its totient is φ = 1515924480.

The previous prime is 3798197317. The next prime is 3798197479. The reversal of 3798197440 is 447918973.

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, 134647 + ... + 160393.

It is an arithmetic number, because the mean of its divisors is an integer number (161864802).

Almost surely, 2^3798197440 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 3798197440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4532214456).

3798197440 is an abundant number, since it is smaller than the sum of its proper divisors (5266231472).

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

3798197440 is a wasteful number, since it uses less digits than its factorization.

3798197440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26225 (or 26215 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 52.

The square root of 3798197440 is about 61629.5176031745. The cubic root of 3798197440 is about 1560.2439679802.

The spelling of 3798197440 in words is "three billion, seven hundred ninety-eight million, one hundred ninety-seven thousand, four hundred forty".