289877494 has 8 divisors (see below), whose sum is σ = 435454920. Its totient is φ = 144725856.

The previous prime is 289877461. The next prime is 289877501. The reversal of 289877494 is 494778982.

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

It is a congruent number.

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, 104739 + ... + 107470.

It is an arithmetic number, because the mean of its divisors is an integer number (54431865).

Almost surely, 2^289877494 is an apocalyptic number.

289877494 is a deficient number, since it is larger than the sum of its proper divisors (145577426).

289877494 is a wasteful number, since it uses less digits than its factorization.

289877494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212894.

The product of its digits is 8128512, while the sum is 58.

The square root of 289877494 is about 17025.7890859719. The cubic root of 289877494 is about 661.8173770553.

It can be divided in two parts, 28987 and 7494, that added together give a square (36481 = 191²).

The spelling of 289877494 in words is "two hundred eighty-nine million, eight hundred seventy-seven thousand, four hundred ninety-four".