961090 has 16 divisors (see below), whose sum is σ = 1863288. Its totient is φ = 354816.

The previous prime is 961087. The next prime is 961091. The reversal of 961090 is 90169.

It can be written as a sum of positive squares in 4 ways, for example, as 423801 + 537289 = 651^2 + 733^2 .

It is an alternating number because its digits alternate between odd and even.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (961091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3567 + ... + 3826.

2⁹⁶¹⁰⁹⁰ is an apocalyptic number.

961090 is a deficient number, since it is larger than the sum of its proper divisors (902198).

961090 is a wasteful number, since it uses less digits than its factorization.

961090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7413.

The product of its (nonzero) digits is 486, while the sum is 25.

The square root of 961090 is about 980.3519776080. The cubic root of 961090 is about 98.6858045622.

It can be divided in two parts, 9610 and 90, that multiplied together give a square (864900 = 930²).

The spelling of 961090 in words is "nine hundred sixty-one thousand, ninety".