3701840 has 20 divisors (see below), whose sum is σ = 8606964. Its totient is φ = 1480704.

The previous prime is 3701839. The next prime is 3701881. The reversal of 3701840 is 481073.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1317904 + 2383936 = 1148^2 + 1544^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23057 + ... + 23216.

Almost surely, 2^3701840 is an apocalyptic number.

It is an amenable number.

3701840 is an abundant number, since it is smaller than the sum of its proper divisors (4905124).

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

3701840 is a wasteful number, since it uses less digits than its factorization.

3701840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46286 (or 46280 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 3701840 is about 1924.0166319447. The cubic root of 3701840 is about 154.6936717940.

The spelling of 3701840 in words is "three million, seven hundred one thousand, eight hundred forty".