3698973 has 8 divisors (see below), whose sum is σ = 5480000. Its totient is φ = 2465964.

The previous prime is 3698969. The next prime is 3698999. The reversal of 3698973 is 3798963.

It is a happy number.

3698973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3698973 - 2² = 3698969 is a prime.

It is an Ulam number.

It is a Duffinian number.

3698973 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3698953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68473 + ... + 68526.

It is an arithmetic number, because the mean of its divisors is an integer number (685000).

Almost surely, 2^3698973 is an apocalyptic number.

It is an amenable number.

3698973 is a deficient number, since it is larger than the sum of its proper divisors (1781027).

3698973 is a wasteful number, since it uses less digits than its factorization.

3698973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137008 (or 137002 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 3698973 is about 1923.2714317017. The cubic root of 3698973 is about 154.6537257760.

The spelling of 3698973 in words is "three million, six hundred ninety-eight thousand, nine hundred seventy-three".