3699532980 has 384 divisors, whose sum is σ = 14116515840. Its totient is φ = 791493120.

The previous prime is 3699532961. The next prime is 3699533009. The reversal of 3699532980 is 892359963.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1775019 + ... + 1777101.

It is an arithmetic number, because the mean of its divisors is an integer number (36761760).

Almost surely, 2^3699532980 is an apocalyptic number.

3699532980 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 3699532980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7058257920).

3699532980 is an abundant number, since it is smaller than the sum of its proper divisors (10416982860).

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

3699532980 is a wasteful number, since it uses less digits than its factorization.

3699532980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 2140 counting only the distinct ones).

The product of its (nonzero) digits is 3149280, while the sum is 54.

The square root of 3699532980 is about 60823.7863010845. The cubic root of 3699532980 is about 1546.6152961989.

The spelling of 3699532980 in words is "three billion, six hundred ninety-nine million, five hundred thirty-two thousand, nine hundred eighty".