857492426 has 16 divisors (see below), whose sum is σ = 1517406720. Its totient is φ = 355641840.

The previous prime is 857492423. The next prime is 857492429. The reversal of 857492426 is 624294758.

857492426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (857492423) and next prime (857492429).

It is not an unprimeable number, because it can be changed into a prime (857492423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 987461 + ... + 988328.

It is an arithmetic number, because the mean of its divisors is an integer number (94837920).

Almost surely, 2^857492426 is an apocalyptic number.

857492426 is a deficient number, since it is larger than the sum of its proper divisors (659914294).

857492426 is a wasteful number, since it uses less digits than its factorization.

857492426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1975829.

The product of its digits is 967680, while the sum is 47.

The square root of 857492426 is about 29282.9716046715. The cubic root of 857492426 is about 950.0433686573.

The spelling of 857492426 in words is "eight hundred fifty-seven million, four hundred ninety-two thousand, four hundred twenty-six".