3958858 has 8 divisors (see below), whose sum is σ = 6287652. Its totient is φ = 1862976.

The previous prime is 3958847. The next prime is 3958879. The reversal of 3958858 is 8588593.

It can be written as a sum of positive squares in 2 ways, for example, as 3932289 + 26569 = 1983^2 + 163^2 .

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58185 + ... + 58252.

Almost surely, 2^3958858 is an apocalyptic number.

3958858 is a deficient number, since it is larger than the sum of its proper divisors (2328794).

3958858 is a wasteful number, since it uses less digits than its factorization.

3958858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116456.

The product of its digits is 345600, while the sum is 46.

The square root of 3958858 is about 1989.6879152269. The cubic root of 3958858 is about 158.1939880819.

The spelling of 3958858 in words is "three million, nine hundred fifty-eight thousand, eight hundred fifty-eight".