913628461 has 4 divisors (see below), whose sum is σ = 935912124. Its totient is φ = 891344800.

The previous prime is 913628449. The next prime is 913628473. The reversal of 913628461 is 164826319.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (913628449) and next prime (913628473).

It can be written as a sum of positive squares in 2 ways, for example, as 424112836 + 489515625 = 20594^2 + 22125^2 .

It is a cyclic number.

It is not a de Polignac number, because 913628461 - 2¹⁵ = 913595693 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 (913628431) 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, 11141770 + ... + 11141851.

It is an arithmetic number, because the mean of its divisors is an integer number (233978031).

Almost surely, 2^913628461 is an apocalyptic number.

It is an amenable number.

913628461 is a deficient number, since it is larger than the sum of its proper divisors (22283663).

913628461 is a wasteful number, since it uses less digits than its factorization.

913628461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22283662.

The product of its digits is 62208, while the sum is 40.

The square root of 913628461 is about 30226.2875821693. The cubic root of 913628461 is about 970.3383738178.

The spelling of 913628461 in words is "nine hundred thirteen million, six hundred twenty-eight thousand, four hundred sixty-one".