906685854 has 32 divisors (see below), whose sum is σ = 1922019840. Its totient is φ = 284157312.

The previous prime is 906685853. The next prime is 906685889. The reversal of 906685854 is 458586609.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 906685797 and 906685806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906685853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108477 + ... + 116535.

It is an arithmetic number, because the mean of its divisors is an integer number (60063120).

Almost surely, 2^906685854 is an apocalyptic number.

906685854 is an abundant number, since it is smaller than the sum of its proper divisors (1015333986).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

906685854 is a wasteful number, since it uses less digits than its factorization.

906685854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9184.

The product of its (nonzero) digits is 2073600, while the sum is 51.

The square root of 906685854 is about 30111.2247177029. The cubic root of 906685854 is about 967.8742743333.

The spelling of 906685854 in words is "nine hundred six million, six hundred eighty-five thousand, eight hundred fifty-four".