2870646 has 8 divisors (see below), whose sum is σ = 5741304. Its totient is φ = 956880.

The previous prime is 2870641. The next prime is 2870657. The reversal of 2870646 is 6460782.

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

2870646 is an admirable number.

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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (2870641) 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, 239215 + ... + 239226.

It is an arithmetic number, because the mean of its divisors is an integer number (717663).

2^2870646 is an apocalyptic number.

2870646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2870646 is a wasteful number, since it uses less digits than its factorization.

2870646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 478446.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 2870646 is about 1694.2980847537. The cubic root of 2870646 is about 142.1215318751.

The spelling of 2870646 in words is "two million, eight hundred seventy thousand, six hundred forty-six".