3687458 has 16 divisors (see below), whose sum is σ = 5719896. Its totient is φ = 1781760.

The previous prime is 3687451. The next prime is 3687461. The reversal of 3687458 is 8547863.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1181569 + 2505889 = 1087^2 + 1583^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3687451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15710 + ... + 15942.

Almost surely, 2^3687458 is an apocalyptic number.

3687458 is a deficient number, since it is larger than the sum of its proper divisors (2032438).

3687458 is a wasteful number, since it uses less digits than its factorization.

3687458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469.

The product of its digits is 161280, while the sum is 41.

The square root of 3687458 is about 1920.2755010675. The cubic root of 3687458 is about 154.4930785922.

The spelling of 3687458 in words is "three million, six hundred eighty-seven thousand, four hundred fifty-eight".