3870465 has 8 divisors (see below), whose sum is σ = 6192768. Its totient is φ = 2064240.

The previous prime is 3870457. The next prime is 3870467. The reversal of 3870465 is 5640783.

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

It is not a de Polignac number, because 3870465 - 2³ = 3870457 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3870467) 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, 129001 + ... + 129030.

It is an arithmetic number, because the mean of its divisors is an integer number (774096).

Almost surely, 2^3870465 is an apocalyptic number.

It is an amenable number.

3870465 is a deficient number, since it is larger than the sum of its proper divisors (2322303).

3870465 is a wasteful number, since it uses less digits than its factorization.

3870465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 258039.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 3870465 is about 1967.3497401326. The cubic root of 3870465 is about 157.0077348888.

The spelling of 3870465 in words is "three million, eight hundred seventy thousand, four hundred sixty-five".