2870039634 has 64 divisors (see below), whose sum is σ = 7227436032. Its totient is φ = 738072000.

The previous prime is 2870039633. The next prime is 2870039657. The reversal of 2870039634 is 4369300782.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (2870039633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15909 + ... + 77415.

It is an arithmetic number, because the mean of its divisors is an integer number (112928688).

Almost surely, 2^2870039634 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2870039634, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3613718016).

2870039634 is an abundant number, since it is smaller than the sum of its proper divisors (4357396398).

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

2870039634 is a wasteful number, since it uses less digits than its factorization.

2870039634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61631.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 2870039634 is about 53572.7508533956. The cubic root of 2870039634 is about 1421.1152440250.

The spelling of 2870039634 in words is "two billion, eight hundred seventy million, thirty-nine thousand, six hundred thirty-four".