2851530 has 32 divisors (see below), whose sum is σ = 7466688. Its totient is φ = 691200.

The previous prime is 2851523. The next prime is 2851543. The reversal of 2851530 is 351582.

It is a self number, because there is not a number n which added to its sum of digits gives 2851530.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3991 + ... + 4650.

It is an arithmetic number, because the mean of its divisors is an integer number (233334).

2^2851530 is an apocalyptic number.

2851530 is an abundant number, since it is smaller than the sum of its proper divisors (4615158).

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

2851530 is a wasteful number, since it uses less digits than its factorization.

2851530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8662.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 2851530 is about 1688.6473877041. The cubic root of 2851530 is about 141.8053605198.

The spelling of 2851530 in words is "two million, eight hundred fifty-one thousand, five hundred thirty".