961715 has 4 divisors (see below), whose sum is σ = 1154064. Its totient is φ = 769368.

The previous prime is 961703. The next prime is 961729. The reversal of 961715 is 517169.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 961715 - 2⁸ = 961459 is a prime.

It is a Duffinian number.

It is a plaindrome in base 7.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 961715.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96167 + ... + 96176.

It is an arithmetic number, because the mean of its divisors is an integer number (288516).

2⁹⁶¹⁷¹⁵ is an apocalyptic number.

961715 is a deficient number, since it is larger than the sum of its proper divisors (192349).

961715 is a wasteful number, since it uses less digits than its factorization.

961715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192348.

The product of its digits is 1890, while the sum is 29.

The square root of 961715 is about 980.6706888655. The cubic root of 961715 is about 98.7071918283.

The spelling of 961715 in words is "nine hundred sixty-one thousand, seven hundred fifteen".