2998858 has 4 divisors (see below), whose sum is σ = 4498290. Its totient is φ = 1499428.

The previous prime is 2998841. The next prime is 2998859. The reversal of 2998858 is 8588992.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 2765569 + 233289 = 1663^2 + 483^2 .

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2998859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 749713 + ... + 749716.

2^2998858 is an apocalyptic number.

2998858 is a deficient number, since it is larger than the sum of its proper divisors (1499432).

2998858 is a wasteful number, since it uses less digits than its factorization.

2998858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499431.

The product of its digits is 414720, while the sum is 49.

The square root of 2998858 is about 1731.7211091859. The cubic root of 2998858 is about 144.2066541636.

The spelling of 2998858 in words is "two million, nine hundred ninety-eight thousand, eight hundred fifty-eight".