3948290 has 8 divisors (see below), whose sum is σ = 7106940. Its totient is φ = 1579312.

The previous prime is 3948289. The next prime is 3948293. The reversal of 3948290 is 928493.

3948290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 3948169 + 121 = 1987^2 + 11^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 3948290.

It is not an unprimeable number, because it can be changed into a prime (3948293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197405 + ... + 197424.

Almost surely, 2^3948290 is an apocalyptic number.

3948290 is a deficient number, since it is larger than the sum of its proper divisors (3158650).

3948290 is a wasteful number, since it uses less digits than its factorization.

3948290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394836.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 3948290 is about 1987.0304476781. The cubic root of 3948290 is about 158.0530986410.

The spelling of 3948290 in words is "three million, nine hundred forty-eight thousand, two hundred ninety".