2891029 has 8 divisors (see below), whose sum is σ = 3006720. Its totient is φ = 2776800.

The previous prime is 2891023. The next prime is 2891041. The reversal of 2891029 is 9201982.

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

It is a cyclic number.

It is not a de Polignac number, because 2891029 - 2⁵ = 2890997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2891023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5289 + ... + 5809.

It is an arithmetic number, because the mean of its divisors is an integer number (375840).

2^2891029 is an apocalyptic number.

It is an amenable number.

2891029 is a deficient number, since it is larger than the sum of its proper divisors (115691).

2891029 is a wasteful number, since it uses less digits than its factorization.

2891029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 731.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2891029 is about 1700.3026201238. The cubic root of 2891029 is about 142.4571164692.

The spelling of 2891029 in words is "two million, eight hundred ninety-one thousand, twenty-nine".