289730246 has 8 divisors (see below), whose sum is σ = 468025824. Its totient is φ = 133721640.

The previous prime is 289730143. The next prime is 289730251. The reversal of 289730246 is 642037982.

It is a happy number.

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, 5571710 + ... + 5571761.

It is an arithmetic number, because the mean of its divisors is an integer number (58503228).

Almost surely, 2^289730246 is an apocalyptic number.

289730246 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

289730246 is a deficient number, since it is larger than the sum of its proper divisors (178295578).

289730246 is a wasteful number, since it uses less digits than its factorization.

289730246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11143486.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 289730246 is about 17021.4642730877. The cubic root of 289730246 is about 661.7052977661.

The spelling of 289730246 in words is "two hundred eighty-nine million, seven hundred thirty thousand, two hundred forty-six".