3729890 has 32 divisors (see below), whose sum is σ = 7197120. Its totient is φ = 1387584.

The previous prime is 3729883. The next prime is 3729899. The reversal of 3729890 is 989273.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is not an unprimeable number, because it can be changed into a prime (3729899) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12584 + ... + 12876.

It is an arithmetic number, because the mean of its divisors is an integer number (224910).

Almost surely, 2^3729890 is an apocalyptic number.

3729890 is a deficient number, since it is larger than the sum of its proper divisors (3467230).

3729890 is a wasteful number, since it uses less digits than its factorization.

3729890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 3729890 is about 1931.2923134523. The cubic root of 3729890 is about 155.0834098414.

The spelling of 3729890 in words is "three million, seven hundred twenty-nine thousand, eight hundred ninety".