2987834 has 16 divisors (see below), whose sum is σ = 4656960. Its totient is φ = 1436640.

The previous prime is 2987827. The next prime is 2987839. The reversal of 2987834 is 4387892.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 2987791 and 2987800.

It is not an unprimeable number, because it can be changed into a prime (2987839) 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 7 ways as a sum of consecutive naturals, for example, 6587 + ... + 7025.

It is an arithmetic number, because the mean of its divisors is an integer number (291060).

2^2987834 is an apocalyptic number.

2987834 is a deficient number, since it is larger than the sum of its proper divisors (1669126).

2987834 is a wasteful number, since it uses less digits than its factorization.

2987834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 96768, while the sum is 41.

The square root of 2987834 is about 1728.5352180387. The cubic root of 2987834 is about 144.0297328007.

The spelling of 2987834 in words is "two million, nine hundred eighty-seven thousand, eight hundred thirty-four".