3687499 has 4 divisors (see below), whose sum is σ = 3777480. Its totient is φ = 3597520.

The previous prime is 3687469. The next prime is 3687557. The reversal of 3687499 is 9947863.

3687499 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3687499 - 2⁹ = 3686987 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3687469) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44929 + ... + 45010.

It is an arithmetic number, because the mean of its divisors is an integer number (944370).

Almost surely, 2^3687499 is an apocalyptic number.

3687499 is a deficient number, since it is larger than the sum of its proper divisors (89981).

3687499 is an equidigital number, since it uses as much as digits as its factorization.

3687499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89980.

The product of its digits is 326592, while the sum is 46.

The square root of 3687499 is about 1920.2861765893. The cubic root of 3687499 is about 154.4936511811.

It can be divided in two parts, 3687 and 499, that added together give a triangular number (4186 = T₉₁).

The spelling of 3687499 in words is "three million, six hundred eighty-seven thousand, four hundred ninety-nine".