3699923928 has 128 divisors (see below), whose sum is σ = 10137700800. Its totient is φ = 1120518144.

The previous prime is 3699923923. The next prime is 3699923959. The reversal of 3699923928 is 8293299963.

3699923928 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 60827²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3699923921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2067258 + ... + 2069046.

Almost surely, 2^3699923928 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 3699923928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5068850400).

3699923928 is an abundant number, since it is smaller than the sum of its proper divisors (6437776872).

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

3699923928 is a wasteful number, since it uses less digits than its factorization.

3699923928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1989 (or 1985 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 60.

The square root of 3699923928 is about 60826.9999917800. Note that the first 5 decimals coincide. The cubic root of 3699923928 is about 1546.6697737832.

The spelling of 3699923928 in words is "three billion, six hundred ninety-nine million, nine hundred twenty-three thousand, nine hundred twenty-eight".