3901658 has 8 divisors (see below), whose sum is σ = 5977152. Its totient is φ = 1909276.

The previous prime is 3901657. The next prime is 3901661. The reversal of 3901658 is 8561093.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3901657) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20660 + ... + 20847.

It is an arithmetic number, because the mean of its divisors is an integer number (747144).

Almost surely, 2^3901658 is an apocalyptic number.

3901658 is a deficient number, since it is larger than the sum of its proper divisors (2075494).

3901658 is a wasteful number, since it uses less digits than its factorization.

3901658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41556.

The product of its (nonzero) digits is 6480, while the sum is 32.

The square root of 3901658 is about 1975.2615016752. The cubic root of 3901658 is about 157.4283944260.

It can be divided in two parts, 390 and 1658, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 3901658 in words is "three million, nine hundred one thousand, six hundred fifty-eight".