8426864 has 10 divisors (see below), whose sum is σ = 16327080. Its totient is φ = 4213424.

The previous prime is 8426863. The next prime is 8426893. The reversal of 8426864 is 4686248.

It is a happy number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8426863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 263324 + ... + 263355.

It is an arithmetic number, because the mean of its divisors is an integer number (1632708).

Almost surely, 2^8426864 is an apocalyptic number.

It is an amenable number.

8426864 is a deficient number, since it is larger than the sum of its proper divisors (7900216).

8426864 is a wasteful number, since it uses less digits than its factorization.

8426864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 526687 (or 526681 counting only the distinct ones).

The product of its digits is 73728, while the sum is 38.

The square root of 8426864 is about 2902.9061300703. The cubic root of 8426864 is about 203.4957429177.

The spelling of 8426864 in words is "eight million, four hundred twenty-six thousand, eight hundred sixty-four".