906593947 has 4 divisors (see below), whose sum is σ = 1036107376. Its totient is φ = 777080520.

The previous prime is 906593929. The next prime is 906593957. The reversal of 906593947 is 749395609.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 749395609 = 6833 ⋅109673.

It is a cyclic number.

It is not a de Polignac number, because 906593947 - 2¹¹ = 906591899 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 906593894 and 906593903.

It is not an unprimeable number, because it can be changed into a prime (906593917) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64756704 + ... + 64756717.

It is an arithmetic number, because the mean of its divisors is an integer number (259026844).

Almost surely, 2^906593947 is an apocalyptic number.

906593947 is a deficient number, since it is larger than the sum of its proper divisors (129513429).

906593947 is a wasteful number, since it uses less digits than its factorization.

906593947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129513428.

The product of its (nonzero) digits is 1837080, while the sum is 52.

The square root of 906593947 is about 30109.6985537883. The cubic root of 906593947 is about 967.8415700891.

The spelling of 906593947 in words is "nine hundred six million, five hundred ninety-three thousand, nine hundred forty-seven".