961420 has 24 divisors (see below), whose sum is σ = 2059344. Its totient is φ = 376896.

The previous prime is 961399. The next prime is 961427. The reversal of 961420 is 24169.

It is a junction number, because it is equal to n+sod(n) for n = 961391 and 961400.

It is not an unprimeable number, because it can be changed into a prime (961427) 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, 607 + ... + 1513.

It is an arithmetic number, because the mean of its divisors is an integer number (85806).

2⁹⁶¹⁴²⁰ is an apocalyptic number.

It is an amenable number.

961420 is an abundant number, since it is smaller than the sum of its proper divisors (1097924).

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

961420 is a wasteful number, since it uses less digits than its factorization.

961420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 967 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 961420 is about 980.5202700607. The cubic root of 961420 is about 98.6970981937.

Adding to 961420 its reverse (24169), we get a palindrome (985589).

The spelling of 961420 in words is "nine hundred sixty-one thousand, four hundred twenty".