3735989 has 12 divisors (see below), whose sum is σ = 4023360. Its totient is φ = 3467880.

The previous prime is 3735967. The next prime is 3736003. The reversal of 3735989 is 9895373.

It is a de Polignac number, because none of the positive numbers 2^k-3735989 is a prime.

It is a super-2 number, since 2×3735989² = 27915227616242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3735929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28454 + ... + 28584.

It is an arithmetic number, because the mean of its divisors is an integer number (335280).

Almost surely, 2^3735989 is an apocalyptic number.

It is an amenable number.

3735989 is a deficient number, since it is larger than the sum of its proper divisors (287371).

3735989 is a wasteful number, since it uses less digits than its factorization.

3735989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248 (or 229 counting only the distinct ones).

The product of its digits is 204120, while the sum is 44.

The square root of 3735989 is about 1932.8706630295. The cubic root of 3735989 is about 155.1678929979.

The spelling of 3735989 in words is "three million, seven hundred thirty-five thousand, nine hundred eighty-nine".