2858398 has 24 divisors (see below), whose sum is σ = 4690872. Its totient is φ = 1305072.

The previous prime is 2858393. The next prime is 2858423. The reversal of 2858398 is 8938582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2858393) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26661 + ... + 26767.

It is an arithmetic number, because the mean of its divisors is an integer number (195453).

2^2858398 is an apocalyptic number.

2858398 is a deficient number, since it is larger than the sum of its proper divisors (1832474).

2858398 is a wasteful number, since it uses less digits than its factorization.

2858398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 165 counting only the distinct ones).

The product of its digits is 138240, while the sum is 43.

The square root of 2858398 is about 1690.6797449547. The cubic root of 2858398 is about 141.9191168022.

The spelling of 2858398 in words is "two million, eight hundred fifty-eight thousand, three hundred ninety-eight".