961902 has 32 divisors (see below), whose sum is σ = 2188800. Its totient is φ = 312984.

The previous prime is 961879. The next prime is 961927. The reversal of 961902 is 209169.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

961902 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2349 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (68400).

2⁹⁶¹⁹⁰² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 961902, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1094400).

961902 is an abundant number, since it is smaller than the sum of its proper divisors (1226898).

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

961902 is a wasteful number, since it uses less digits than its factorization.

961902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437 (or 431 counting only the distinct ones).

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

The square root of 961902 is about 980.7660271441. The cubic root of 961902 is about 98.7135890973.

The spelling of 961902 in words is "nine hundred sixty-one thousand, nine hundred two".