906616765 has 8 divisors (see below), whose sum is σ = 1097921880. Its totient is φ = 718638912.

The previous prime is 906616751. The next prime is 906616807. The reversal of 906616765 is 567616609.

It can be written as a sum of positive squares in 4 ways, for example, as 82410084 + 824206681 = 9078^2 + 28709^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 906616765 - 2¹⁹ = 906092477 is a prime.

It is a super-3 number, since 3×906616765³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 831214 + ... + 832303.

It is an arithmetic number, because the mean of its divisors is an integer number (137240235).

Almost surely, 2^906616765 is an apocalyptic number.

It is an amenable number.

906616765 is a deficient number, since it is larger than the sum of its proper divisors (191305115).

906616765 is a wasteful number, since it uses less digits than its factorization.

906616765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663631.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 906616765 is about 30110.0774658585. The cubic root of 906616765 is about 967.8496898667.

The spelling of 906616765 in words is "nine hundred six million, six hundred sixteen thousand, seven hundred sixty-five".