289371434 has 32 divisors (see below), whose sum is σ = 488218752. Its totient is φ = 127512000.

The previous prime is 289371431. The next prime is 289371469. The reversal of 289371434 is 434173982.

It is a junction number, because it is equal to n+sod(n) for n = 289371391 and 289371400.

It is not an unprimeable number, because it can be changed into a prime (289371431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93764 + ... + 96800.

It is an arithmetic number, because the mean of its divisors is an integer number (15256836).

Almost surely, 2^289371434 is an apocalyptic number.

289371434 is a deficient number, since it is larger than the sum of its proper divisors (198847318).

289371434 is a wasteful number, since it uses less digits than its factorization.

289371434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3182.

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

The square root of 289371434 is about 17010.9210215085. The cubic root of 289371434 is about 661.4320253170.

The spelling of 289371434 in words is "two hundred eighty-nine million, three hundred seventy-one thousand, four hundred thirty-four".