289893542 has 4 divisors (see below), whose sum is σ = 434840316. Its totient is φ = 144946770.

The previous prime is 289893529. The next prime is 289893547. The reversal of 289893542 is 245398982.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (289893547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 72473384 + ... + 72473387.

It is an arithmetic number, because the mean of its divisors is an integer number (108710079).

Almost surely, 2^289893542 is an apocalyptic number.

289893542 is a deficient number, since it is larger than the sum of its proper divisors (144946774).

289893542 is a wasteful number, since it uses less digits than its factorization.

289893542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144946773.

The product of its digits is 1244160, while the sum is 50.

The square root of 289893542 is about 17026.2603645075. The cubic root of 289893542 is about 661.8295898573.

The spelling of 289893542 in words is "two hundred eighty-nine million, eight hundred ninety-three thousand, five hundred forty-two".