906894397 has 4 divisors (see below), whose sum is σ = 907976160. Its totient is φ = 905812636.

The previous prime is 906894361. The next prime is 906894449. The reversal of 906894397 is 793498609.

906894397 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-906894397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906894097) 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, 539623 + ... + 541300.

It is an arithmetic number, because the mean of its divisors is an integer number (226994040).

Almost surely, 2^906894397 is an apocalyptic number.

It is an amenable number.

906894397 is a deficient number, since it is larger than the sum of its proper divisors (1081763).

906894397 is a wasteful number, since it uses less digits than its factorization.

906894397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081762.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 906894397 is about 30114.6873966840. The cubic root of 906894397 is about 967.9484742085.

The spelling of 906894397 in words is "nine hundred six million, eight hundred ninety-four thousand, three hundred ninety-seven".