2098278 has 96 divisors (see below), whose sum is σ = 5937120. Its totient is φ = 544320.

The previous prime is 2098277. The next prime is 2098279. The reversal of 2098278 is 8728902.

It is an interprime number because it is at equal distance from previous prime (2098277) and next prime (2098279).

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34368 + ... + 34428.

It is an arithmetic number, because the mean of its divisors is an integer number (61845).

2^2098278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2098278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2968560).

2098278 is an abundant number, since it is smaller than the sum of its proper divisors (3838842).

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

2098278 is a wasteful number, since it uses less digits than its factorization.

2098278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2098278 is about 1448.5434063224. The cubic root of 2098278 is about 128.0229044299.

The spelling of 2098278 in words is "two million, ninety-eight thousand, two hundred seventy-eight".