3894261 has 8 divisors (see below), whose sum is σ = 5934144. Its totient is φ = 2225280.

The previous prime is 3894239. The next prime is 3894269. The reversal of 3894261 is 1624983.

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

It is not a de Polignac number, because 3894261 - 2⁵ = 3894229 is a prime.

It is a super-2 number, since 2×3894261² = 30330537472242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

3894261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894269) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92700 + ... + 92741.

It is an arithmetic number, because the mean of its divisors is an integer number (741768).

Almost surely, 2^3894261 is an apocalyptic number.

It is an amenable number.

3894261 is a deficient number, since it is larger than the sum of its proper divisors (2039883).

3894261 is a wasteful number, since it uses less digits than its factorization.

3894261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185451.

The product of its digits is 10368, while the sum is 33.

The square root of 3894261 is about 1973.3882030660. The cubic root of 3894261 is about 157.3288440538.

The spelling of 3894261 in words is "three million, eight hundred ninety-four thousand, two hundred sixty-one".