3729806 has 16 divisors (see below), whose sum is σ = 5851440. Its totient is φ = 1780800.

The previous prime is 3729799. The next prime is 3729809. The reversal of 3729806 is 6089273.

It is a super-2 number, since 2×3729806² = 27822905595272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3729809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5906 + ... + 6506.

It is an arithmetic number, because the mean of its divisors is an integer number (365715).

Almost surely, 2^3729806 is an apocalyptic number.

3729806 is a deficient number, since it is larger than the sum of its proper divisors (2121634).

3729806 is a wasteful number, since it uses less digits than its factorization.

3729806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 739.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 3729806 is about 1931.2705662335. The cubic root of 3729806 is about 155.0822456333.

The spelling of 3729806 in words is "three million, seven hundred twenty-nine thousand, eight hundred six".