289079038 has 4 divisors (see below), whose sum is σ = 433618560. Its totient is φ = 144539518.

The previous prime is 289079017. The next prime is 289079099. The reversal of 289079038 is 830970982.

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

It is a super-2 number, since 2×289079038² = 167133380422010888, 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 as a sum of consecutive naturals, namely, 72269758 + ... + 72269761.

It is an arithmetic number, because the mean of its divisors is an integer number (108404640).

Almost surely, 2^289079038 is an apocalyptic number.

289079038 is a deficient number, since it is larger than the sum of its proper divisors (144539522).

289079038 is a wasteful number, since it uses less digits than its factorization.

289079038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144539521.

The product of its (nonzero) digits is 217728, while the sum is 46.

The square root of 289079038 is about 17002.3244881398. The cubic root of 289079038 is about 661.2091684246.

The spelling of 289079038 in words is "two hundred eighty-nine million, seventy-nine thousand, thirty-eight".