2891038 has 4 divisors (see below), whose sum is σ = 4336560. Its totient is φ = 1445518.

The previous prime is 2891023. The next prime is 2891041. The reversal of 2891038 is 8301982.

2891038 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (31) 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 722758 + ... + 722761.

It is an arithmetic number, because the mean of its divisors is an integer number (1084140).

2^2891038 is an apocalyptic number.

2891038 is a deficient number, since it is larger than the sum of its proper divisors (1445522).

2891038 is a wasteful number, since it uses less digits than its factorization.

2891038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1445521.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 2891038 is about 1700.3052667095. The cubic root of 2891038 is about 142.4572642958.

The spelling of 2891038 in words is "two million, eight hundred ninety-one thousand, thirty-eight".