3847465 has 16 divisors (see below), whose sum is σ = 4773888. Its totient is φ = 2975616.

The previous prime is 3847451. The next prime is 3847469. The reversal of 3847465 is 5647483.

It is a cyclic number.

It is not a de Polignac number, because 3847465 - 2⁵ = 3847433 is a prime.

It is a Duffinian number.

Its product of digits (80640) is a multiple of the sum of its prime divisors (288).

3847465 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3847469) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30232 + ... + 30358.

It is an arithmetic number, because the mean of its divisors is an integer number (298368).

Almost surely, 2^3847465 is an apocalyptic number.

It is an amenable number.

3847465 is a deficient number, since it is larger than the sum of its proper divisors (926423).

3847465 is a wasteful number, since it uses less digits than its factorization.

3847465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288.

The product of its digits is 80640, while the sum is 37.

The square root of 3847465 is about 1961.4956028500. The cubic root of 3847465 is about 156.6961138752.

The spelling of 3847465 in words is "three million, eight hundred forty-seven thousand, four hundred sixty-five".