3806490 has 32 divisors (see below), whose sum is σ = 9432576. Its totient is φ = 982080.

The previous prime is 3806447. The next prime is 3806501. The reversal of 3806490 is 946083.

It is a super-2 number, since 2×3806490² = 28978732240200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

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, 1117 + ... + 2976.

It is an arithmetic number, because the mean of its divisors is an integer number (294768).

Almost surely, 2^3806490 is an apocalyptic number.

3806490 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3806490 is an abundant number, since it is smaller than the sum of its proper divisors (5626086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3806490 is a wasteful number, since it uses less digits than its factorization.

3806490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4134.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3806490 is about 1951.0228086827. The cubic root of 3806490 is about 156.1378630078.

The spelling of 3806490 in words is "three million, eight hundred six thousand, four hundred ninety".