540998 has 8 divisors (see below), whose sum is σ = 815808. Its totient is φ = 269064.

The previous prime is 540989. The next prime is 541001. The reversal of 540998 is 899045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 540998.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 161 + ... + 1052.

It is an arithmetic number, because the mean of its divisors is an integer number (101976).

2⁵⁴⁰⁹⁹⁸ is an apocalyptic number.

540998 is a deficient number, since it is larger than the sum of its proper divisors (274810).

540998 is a wasteful number, since it uses less digits than its factorization.

540998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1438.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 540998 is about 735.5256623667. The cubic root of 540998 is about 81.4826640834.

The spelling of 540998 in words is "five hundred forty thousand, nine hundred ninety-eight".