542893394 has 8 divisors (see below), whose sum is σ = 815426688. Its totient is φ = 271084500.

The previous prime is 542893387. The next prime is 542893409. The reversal of 542893394 is 493398245.

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

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, 179222 + ... + 182225.

It is an arithmetic number, because the mean of its divisors is an integer number (101928336).

Almost surely, 2^542893394 is an apocalyptic number.

542893394 is a deficient number, since it is larger than the sum of its proper divisors (272533294).

542893394 is a wasteful number, since it uses less digits than its factorization.

542893394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362200.

The product of its digits is 933120, while the sum is 47.

The square root of 542893394 is about 23300.0728325042. The cubic root of 542893394 is about 815.7771171757. Note that the first 3 decimals are identical.

The spelling of 542893394 in words is "five hundred forty-two million, eight hundred ninety-three thousand, three hundred ninety-four".