2299398 has 16 divisors (see below), whose sum is σ = 4614960. Its totient is φ = 763776.

The previous prime is 2299397. The next prime is 2299433. The reversal of 2299398 is 8939922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2299391) 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, 1986 + ... + 2922.

It is an arithmetic number, because the mean of its divisors is an integer number (288435).

2^2299398 is an apocalyptic number.

2299398 is an abundant number, since it is smaller than the sum of its proper divisors (2315562).

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

2299398 is a wasteful number, since it uses less digits than its factorization.

2299398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1351.

The product of its digits is 69984, while the sum is 42.

The square root of 2299398 is about 1516.3766022990. The cubic root of 2299398 is about 131.9890945995.

Adding to 2299398 its sum of digits (42), we get a triangular number (2299440 = T₂₁₄₄).

The spelling of 2299398 in words is "two million, two hundred ninety-nine thousand, three hundred ninety-eight".