864234698 has 4 divisors (see below), whose sum is σ = 1296352050. Its totient is φ = 432117348.

The previous prime is 864234677. The next prime is 864234727. The reversal of 864234698 is 896432468.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 445336609 + 418898089 = 21103^2 + 20467^2 .

It is a super-2 number, since 2×864234698² = 1493803226454302408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216058673 + ... + 216058676.

Almost surely, 2^864234698 is an apocalyptic number.

864234698 is a deficient number, since it is larger than the sum of its proper divisors (432117352).

864234698 is a wasteful number, since it uses less digits than its factorization.

864234698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432117351.

The product of its digits is 1990656, while the sum is 50.

The square root of 864234698 is about 29397.8689363702. The cubic root of 864234698 is about 952.5268640798.

The spelling of 864234698 in words is "eight hundred sixty-four million, two hundred thirty-four thousand, six hundred ninety-eight".