961739 has 2 divisors, whose sum is σ = 961740. Its totient is φ = 961738.

The previous prime is 961733. The next prime is 961747. The reversal of 961739 is 937169.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 961739 - 2¹² = 957643 is a prime.

It is a Sophie Germain prime.

It is a plaindrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 961699 and 961708.

It is not a weakly prime, because it can be changed into another prime (961733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 480869 + 480870.

It is an arithmetic number, because the mean of its divisors is an integer number (480870).

2⁹⁶¹⁷³⁹ is an apocalyptic number.

961739 is a deficient number, since it is larger than the sum of its proper divisors (1).

961739 is an equidigital number, since it uses as much as digits as its factorization.

961739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10206, while the sum is 35.

The square root of 961739 is about 980.6829253128. The cubic root of 961739 is about 98.7080129145.

The spelling of 961739 in words is "nine hundred sixty-one thousand, seven hundred thirty-nine".