3926690 has 8 divisors (see below), whose sum is σ = 7068060. Its totient is φ = 1570672.

The previous prime is 3926651. The next prime is 3926707. The reversal of 3926690 is 966293.

It can be written as a sum of positive squares in 2 ways, for example, as 3876961 + 49729 = 1969^2 + 223^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3926690² = 30837788712200, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3926690.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 196325 + ... + 196344.

Almost surely, 2^3926690 is an apocalyptic number.

3926690 is a deficient number, since it is larger than the sum of its proper divisors (3141370).

3926690 is a wasteful number, since it uses less digits than its factorization.

3926690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392676.

The product of its (nonzero) digits is 17496, while the sum is 35.

The square root of 3926690 is about 1981.5877472370. The cubic root of 3926690 is about 157.7643498825.

The spelling of 3926690 in words is "three million, nine hundred twenty-six thousand, six hundred ninety".