289894652 has 6 divisors (see below), whose sum is σ = 507315648. Its totient is φ = 144947324.

The previous prime is 289894601. The next prime is 289894673. The reversal of 289894652 is 256498982.

It is a super-2 number, since 2×289894652² = 168077818516402208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 289894594 and 289894603.

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, 36236828 + ... + 36236835.

It is an arithmetic number, because the mean of its divisors is an integer number (84552608).

Almost surely, 2^289894652 is an apocalyptic number.

It is an amenable number.

289894652 is a deficient number, since it is larger than the sum of its proper divisors (217420996).

289894652 is a wasteful number, since it uses less digits than its factorization.

289894652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72473667 (or 72473665 counting only the distinct ones).

The product of its digits is 2488320, while the sum is 53.

The square root of 289894652 is about 17026.2929611821. The cubic root of 289894652 is about 661.8304345696.

The spelling of 289894652 in words is "two hundred eighty-nine million, eight hundred ninety-four thousand, six hundred fifty-two".