2891098 has 12 divisors (see below), whose sum is σ = 5044842. Its totient is φ = 1239000.

The previous prime is 2891093. The next prime is 2891101. The reversal of 2891098 is 8901982.

2891098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2569609 + 321489 = 1603^2 + 567^2 .

It is not an unprimeable number, because it can be changed into a prime (2891093) by changing a digit.

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 in 5 ways as a sum of consecutive naturals, for example, 14653 + ... + 14848.

2^2891098 is an apocalyptic number.

2891098 is a deficient number, since it is larger than the sum of its proper divisors (2153744).

2891098 is a wasteful number, since it uses less digits than its factorization.

2891098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29517 (or 29510 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 37.

The square root of 2891098 is about 1700.3229105085. The cubic root of 2891098 is about 142.4582497984.

The spelling of 2891098 in words is "two million, eight hundred ninety-one thousand, ninety-eight".