961767493 has 4 divisors (see below), whose sum is σ = 965599488. Its totient is φ = 957935500.

The previous prime is 961767473. The next prime is 961767497. The reversal of 961767493 is 394767169.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 961767493 - 2⁵ = 961767461 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 961767493.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (961767497) 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, 1915621 + ... + 1916122.

It is an arithmetic number, because the mean of its divisors is an integer number (241399872).

Almost surely, 2^961767493 is an apocalyptic number.

It is an amenable number.

961767493 is a deficient number, since it is larger than the sum of its proper divisors (3831995).

961767493 is a wasteful number, since it uses less digits than its factorization.

961767493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3831994.

The product of its digits is 1714608, while the sum is 52.

The square root of 961767493 is about 31012.3764487664. The cubic root of 961767493 is about 987.0898769723.

The spelling of 961767493 in words is "nine hundred sixty-one million, seven hundred sixty-seven thousand, four hundred ninety-three".