859493396 has 6 divisors (see below), whose sum is σ = 1504113450. Its totient is φ = 429746696.

The previous prime is 859493363. The next prime is 859493399. The reversal of 859493396 is 693394958.

It can be written as a sum of positive squares in only one way, i.e., 666672400 + 192820996 = 25820^2 + 13886^2 .

It is a super-2 number, since 2×859493396² = 1477457795535225632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (859493399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107436671 + ... + 107436678.

It is an arithmetic number, because the mean of its divisors is an integer number (250685575).

Almost surely, 2^859493396 is an apocalyptic number.

It is an amenable number.

859493396 is a deficient number, since it is larger than the sum of its proper divisors (644620054).

859493396 is a wasteful number, since it uses less digits than its factorization.

859493396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214873353 (or 214873351 counting only the distinct ones).

The product of its digits is 6298560, while the sum is 56.

The square root of 859493396 is about 29317.1177983103. The cubic root of 859493396 is about 950.7817742142.

The spelling of 859493396 in words is "eight hundred fifty-nine million, four hundred ninety-three thousand, three hundred ninety-six".