541997994 has 16 divisors (see below), whose sum is σ = 1121375520. Its totient is φ = 174436080.

The previous prime is 541997977. The next prime is 541998001. The reversal of 541997994 is 499799145.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1557292 + ... + 1557639.

It is an arithmetic number, because the mean of its divisors is an integer number (70085970).

Almost surely, 2^541997994 is an apocalyptic number.

541997994 is an abundant number, since it is smaller than the sum of its proper divisors (579377526).

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

541997994 is a wasteful number, since it uses less digits than its factorization.

541997994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114965.

The product of its digits is 3674160, while the sum is 57.

The square root of 541997994 is about 23280.8503710668. The cubic root of 541997994 is about 815.3283803487.

The spelling of 541997994 in words is "five hundred forty-one million, nine hundred ninety-seven thousand, nine hundred ninety-four".