3689890 has 32 divisors (see below), whose sum is σ = 7070976. Its totient is φ = 1383360.

The previous prime is 3689887. The next prime is 3689911. The reversal of 3689890 is 989863.

3689890 = 153² + 154² + ... + 244².

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13899 + ... + 14161.

It is an arithmetic number, because the mean of its divisors is an integer number (220968).

Almost surely, 2^3689890 is an apocalyptic number.

3689890 is a deficient number, since it is larger than the sum of its proper divisors (3381086).

3689890 is a wasteful number, since it uses less digits than its factorization.

3689890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its (nonzero) digits is 93312, while the sum is 43.

The square root of 3689890 is about 1920.9086391601. The cubic root of 3689890 is about 154.5270355526.

The spelling of 3689890 in words is "three million, six hundred eighty-nine thousand, eight hundred ninety".