2149398 has 24 divisors (see below), whose sum is σ = 4767048. Its totient is φ = 699552.

The previous prime is 2149391. The next prime is 2149403. The reversal of 2149398 is 8939412.

It is an Ulam number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2149391) 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, 615 + ... + 2162.

It is an arithmetic number, because the mean of its divisors is an integer number (198627).

2^2149398 is an apocalyptic number.

2149398 is an abundant number, since it is smaller than the sum of its proper divisors (2617650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2149398 is a wasteful number, since it uses less digits than its factorization.

2149398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2828 (or 2825 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 2149398 is about 1466.0825351937. The cubic root of 2149398 is about 129.0542407560.

The spelling of 2149398 in words is "two million, one hundred forty-nine thousand, three hundred ninety-eight".