3958501 has 4 divisors (see below), whose sum is σ = 4191372. Its totient is φ = 3725632.

The previous prime is 3958499. The next prime is 3958523. The reversal of 3958501 is 1058593.

3958501 = T₁₆₂₃ + T₁₆₂₄ + T₁₆₂₅.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3629025 + 329476 = 1905^2 + 574^2 .

It is a cyclic number.

It is not a de Polignac number, because 3958501 - 2¹ = 3958499 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3958531) by changing a digit.

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, 116410 + ... + 116443.

It is an arithmetic number, because the mean of its divisors is an integer number (1047843).

Almost surely, 2^3958501 is an apocalyptic number.

3958501 is the 1625-th centered triangular number.

It is an amenable number.

3958501 is a deficient number, since it is larger than the sum of its proper divisors (232871).

3958501 is a wasteful number, since it uses less digits than its factorization.

3958501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232870.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 3958501 is about 1989.5982006425. The cubic root of 3958501 is about 158.1892327584.

The spelling of 3958501 in words is "three million, nine hundred fifty-eight thousand, five hundred one".