3700989 has 12 divisors (see below), whose sum is σ = 5379036. Its totient is φ = 2452032.

The previous prime is 3700987. The next prime is 3700993. The reversal of 3700989 is 9890073.

It can be written as a sum of positive squares in 2 ways, for example, as 2528100 + 1172889 = 1590^2 + 1083^2 .

It is not a de Polignac number, because 3700989 - 2¹ = 3700987 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3700987) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 369 + ... + 2745.

It is an arithmetic number, because the mean of its divisors is an integer number (448253).

Almost surely, 2^3700989 is an apocalyptic number.

It is an amenable number.

3700989 is a deficient number, since it is larger than the sum of its proper divisors (1678047).

3700989 is a wasteful number, since it uses less digits than its factorization.

3700989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2556 (or 2553 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 3700989 is about 1923.7954672990. The cubic root of 3700989 is about 154.6818169323.

The spelling of 3700989 in words is "three million, seven hundred thousand, nine hundred eighty-nine".