3951258 has 16 divisors (see below), whose sum is σ = 8021280. Its totient is φ = 1297296.

The previous prime is 3951253. The next prime is 3951263. The reversal of 3951258 is 8521593.

3951258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3951253) and next prime (3951263).

It is a super-2 number, since 2×3951258² = 31224879565128, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3951251) 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 7 ways as a sum of consecutive naturals, for example, 4513 + ... + 5316.

It is an arithmetic number, because the mean of its divisors is an integer number (501330).

Almost surely, 2^3951258 is an apocalyptic number.

3951258 is an abundant number, since it is smaller than the sum of its proper divisors (4070022).

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

3951258 is a wasteful number, since it uses less digits than its factorization.

3951258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9901.

The product of its digits is 10800, while the sum is 33.

The square root of 3951258 is about 1987.7771504874. Note that the first 3 decimals coincide. The cubic root of 3951258 is about 158.0926924991.

It can be divided in two parts, 395 and 1258, that added together give a triangular number (1653 = T₅₇).

The spelling of 3951258 in words is "three million, nine hundred fifty-one thousand, two hundred fifty-eight".