861962 has 4 divisors (see below), whose sum is σ = 1292946. Its totient is φ = 430980.

The previous prime is 861947. The next prime is 861977. The reversal of 861962 is 269168.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (861947) and next prime (861977).

It can be written as a sum of positive squares in only one way, i.e., 829921 + 32041 = 911^2 + 179^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215489 + ... + 215492.

2⁸⁶¹⁹⁶² is an apocalyptic number.

861962 is a deficient number, since it is larger than the sum of its proper divisors (430984).

861962 is a wasteful number, since it uses less digits than its factorization.

861962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430983.

The product of its digits is 5184, while the sum is 32.

The square root of 861962 is about 928.4190864044. The cubic root of 861962 is about 95.1691170452.

It can be divided in two parts, 86 and 1962, that added together give a 11-th power (2048 = 2¹¹).

The spelling of 861962 in words is "eight hundred sixty-one thousand, nine hundred sixty-two".