961290 has 48 divisors (see below), whose sum is σ = 2729376. Its totient is φ = 232800.

The previous prime is 961283. The next prime is 961313. The reversal of 961290 is 92169.

It is a happy number.

961290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

961290 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 505 + ... + 1475.

It is an arithmetic number, because the mean of its divisors is an integer number (56862).

2⁹⁶¹²⁹⁰ is an apocalyptic number.

961290 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 961290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1364688).

961290 is an abundant number, since it is smaller than the sum of its proper divisors (1768086).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

961290 is a wasteful number, since it uses less digits than its factorization.

961290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995 (or 992 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 27.

The square root of 961290 is about 980.4539764823. The cubic root of 961290 is about 98.6926494959.

The spelling of 961290 in words is "nine hundred sixty-one thousand, two hundred ninety".