900257746 has 32 divisors (see below), whose sum is σ = 1473555888. Its totient is φ = 410818560.

The previous prime is 900257741. The next prime is 900257749. The reversal of 900257746 is 647752009.

It can be written as a sum of positive squares in 8 ways, for example, as 565916521 + 334341225 = 23789^2 + 18285^2 .

It is a junction number, because it is equal to n+sod(n) for n = 900257699 and 900257708.

It is not an unprimeable number, because it can be changed into a prime (900257741) 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, 239296 + ... + 243028.

Almost surely, 2^900257746 is an apocalyptic number.

900257746 is a deficient number, since it is larger than the sum of its proper divisors (573298142).

900257746 is a wasteful number, since it uses less digits than its factorization.

900257746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3966.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 900257746 is about 30004.2954591505. The cubic root of 900257746 is about 965.5815428556.

The spelling of 900257746 in words is "nine hundred million, two hundred fifty-seven thousand, seven hundred forty-six".