2098154 has 4 divisors (see below), whose sum is σ = 3147234. Its totient is φ = 1049076.

The previous prime is 2098153. The next prime is 2098169. The reversal of 2098154 is 4518902.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 597529 = 1225^2 + 773^2 .

It is not an unprimeable number, because it can be changed into a prime (2098153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 524537 + ... + 524540.

2^2098154 is an apocalyptic number.

2098154 is a deficient number, since it is larger than the sum of its proper divisors (1049080).

2098154 is a wasteful number, since it uses less digits than its factorization.

2098154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1049079.

The product of its (nonzero) digits is 2880, while the sum is 29.

The square root of 2098154 is about 1448.5006040731. The cubic root of 2098154 is about 128.0203824963.

The spelling of 2098154 in words is "two million, ninety-eight thousand, one hundred fifty-four".