3697884 has 36 divisors (see below), whose sum is σ = 9511320. Its totient is φ = 1211040.

The previous prime is 3697867. The next prime is 3697907. The reversal of 3697884 is 4887963.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1254 + ... + 2994.

Almost surely, 2^3697884 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 3697884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4755660).

3697884 is an abundant number, since it is smaller than the sum of its proper divisors (5813436).

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

3697884 is a wasteful number, since it uses less digits than its factorization.

3697884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1805 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 3697884 is about 1922.9882994964. The cubic root of 3697884 is about 154.6385472893.

Adding to 3697884 its sum of digits (45), we get a square (3697929 = 1923²).

The spelling of 3697884 in words is "three million, six hundred ninety-seven thousand, eight hundred eighty-four".