3700404 has 60 divisors (see below), whose sum is σ = 9920064. Its totient is φ = 1207224.

The previous prime is 3700397. The next prime is 3700409. The reversal of 3700404 is 4040073.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3700409) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 78709 + ... + 78755.

Almost surely, 2^3700404 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 3700404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4960032).

3700404 is an abundant number, since it is smaller than the sum of its proper divisors (6219660).

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

3700404 is an frugal number, since it uses more digits than its factorization.

3700404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 52 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 3700404 is about 1923.6434181001. The cubic root of 3700404 is about 154.6736665315.

Adding to 3700404 its reverse (4040073), we get a palindrome (7740477).

The spelling of 3700404 in words is "three million, seven hundred thousand, four hundred four".