3689974 has 4 divisors (see below), whose sum is σ = 5534964. Its totient is φ = 1844986.

The previous prime is 3689963. The next prime is 3689993. The reversal of 3689974 is 4799863.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 922492 + ... + 922495.

It is an arithmetic number, because the mean of its divisors is an integer number (1383741).

Almost surely, 2^3689974 is an apocalyptic number.

3689974 is a deficient number, since it is larger than the sum of its proper divisors (1844990).

3689974 is a wasteful number, since it uses less digits than its factorization.

3689974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1844989.

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

The square root of 3689974 is about 1920.9305036883. The cubic root of 3689974 is about 154.5282081415.

The spelling of 3689974 in words is "three million, six hundred eighty-nine thousand, nine hundred seventy-four".