905680264 has 8 divisors (see below), whose sum is σ = 1698150510. Its totient is φ = 452840128.

The previous prime is 905680261. The next prime is 905680273. The reversal of 905680264 is 462086509.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 848556900 + 57123364 = 29130^2 + 7558^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (905680261) 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 as a sum of consecutive naturals, namely, 56605009 + ... + 56605024.

Almost surely, 2^905680264 is an apocalyptic number.

It is an amenable number.

905680264 is a deficient number, since it is larger than the sum of its proper divisors (792470246).

905680264 is a wasteful number, since it uses less digits than its factorization.

905680264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113210039 (or 113210035 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 905680264 is about 30094.5221593565. The cubic root of 905680264 is about 967.5163242866.

The spelling of 905680264 in words is "nine hundred five million, six hundred eighty thousand, two hundred sixty-four".