289262630 has 8 divisors (see below), whose sum is σ = 520672752. Its totient is φ = 115705048.

The previous prime is 289262627. The next prime is 289262641. The reversal of 289262630 is 36262982.

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

It is a super-2 number, since 2×289262630² = 167345738229033800, which contains 22 as substring.

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, 14463122 + ... + 14463141.

It is an arithmetic number, because the mean of its divisors is an integer number (65084094).

Almost surely, 2^289262630 is an apocalyptic number.

289262630 is a deficient number, since it is larger than the sum of its proper divisors (231410122).

289262630 is a wasteful number, since it uses less digits than its factorization.

289262630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28926270.

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 289262630 is about 17007.7226576635. The cubic root of 289262630 is about 661.3491151845.

The spelling of 289262630 in words is "two hundred eighty-nine million, two hundred sixty-two thousand, six hundred thirty".