2180498 has 4 divisors (see below), whose sum is σ = 3270750. Its totient is φ = 1090248.

The previous prime is 2180491. The next prime is 2180501. The reversal of 2180498 is 8940812.

It is a happy number.

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., 1283689 + 896809 = 1133^2 + 947^2 .

It is not an unprimeable number, because it can be changed into a prime (2180491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 545123 + ... + 545126.

2^2180498 is an apocalyptic number.

2180498 is a deficient number, since it is larger than the sum of its proper divisors (1090252).

2180498 is a wasteful number, since it uses less digits than its factorization.

2180498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090251.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2180498 is about 1476.6509404731. The cubic root of 2180498 is about 129.6736984297.

The spelling of 2180498 in words is "two million, one hundred eighty thousand, four hundred ninety-eight".