3699898020 has 768 divisors, whose sum is σ = 15498362880. Its totient is φ = 710664192.

The previous prime is 3699897989. The next prime is 3699898021. The reversal of 3699898020 is 208989963.

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

It is not an unprimeable number, because it can be changed into a prime (3699898021) by changing a digit.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 35921289 + ... + 35921391.

It is an arithmetic number, because the mean of its divisors is an integer number (20180160).

Almost surely, 2^3699898020 is an apocalyptic number.

3699898020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3699898020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7749181440).

3699898020 is an abundant number, since it is smaller than the sum of its proper divisors (11798464860).

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

3699898020 is a wasteful number, since it uses less digits than its factorization.

3699898020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 54.

The square root of 3699898020 is about 60826.7870267697. The cubic root of 3699898020 is about 1546.6661636897. Note that the first 3 decimals are identical.

The spelling of 3699898020 in words is "three billion, six hundred ninety-nine million, eight hundred ninety-eight thousand, twenty".