2098261 has 6 divisors (see below), whose sum is σ = 2306486. Its totient is φ = 1907400.

The previous prime is 2098253. The next prime is 2098277. The reversal of 2098261 is 1628902.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2044900 + 53361 = 1430^2 + 231^2 .

It is not a de Polignac number, because 2098261 - 2³ = 2098253 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8550 + ... + 8791.

2^2098261 is an apocalyptic number.

It is an amenable number.

2098261 is a deficient number, since it is larger than the sum of its proper divisors (208225).

2098261 is a wasteful number, since it uses less digits than its factorization.

2098261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17363 (or 17352 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 2098261 is about 1448.5375383469. The cubic root of 2098261 is about 128.0225586868.

The spelling of 2098261 in words is "two million, ninety-eight thousand, two hundred sixty-one".