961219 has 8 divisors (see below), whose sum is σ = 1104480. Its totient is φ = 819456.

The previous prime is 961201. The next prime is 961241. The reversal of 961219 is 912169.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 961219 - 2⁵ = 961187 is a prime.

It is a super-2 number, since 2×961219² = 1847883931922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (961319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2277 + ... + 2665.

It is an arithmetic number, because the mean of its divisors is an integer number (138060).

2⁹⁶¹²¹⁹ is an apocalyptic number.

961219 is a deficient number, since it is larger than the sum of its proper divisors (143261).

961219 is a wasteful number, since it uses less digits than its factorization.

961219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749.

The product of its digits is 972, while the sum is 28.

The square root of 961219 is about 980.4177680968. The cubic root of 961219 is about 98.6902196531.

Subtracting from 961219 its sum of digits (28), we obtain a triangular number (961191 = T₁₃₈₆).

The spelling of 961219 in words is "nine hundred sixty-one thousand, two hundred nineteen".