3609902 has 4 divisors (see below), whose sum is σ = 5414856. Its totient is φ = 1804950.

The previous prime is 3609889. The next prime is 3609911. The reversal of 3609902 is 2099063.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2099063 = 19 ⋅110477.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 902474 + ... + 902477.

It is an arithmetic number, because the mean of its divisors is an integer number (1353714).

Almost surely, 2^3609902 is an apocalyptic number.

3609902 is a deficient number, since it is larger than the sum of its proper divisors (1804954).

3609902 is a wasteful number, since it uses less digits than its factorization.

3609902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1804953.

The product of its (nonzero) digits is 2916, while the sum is 29.

The square root of 3609902 is about 1899.9742103513. The cubic root of 3609902 is about 153.4022762851.

The spelling of 3609902 in words is "three million, six hundred nine thousand, nine hundred two".