813962 has 4 divisors (see below), whose sum is σ = 1220946. Its totient is φ = 406980.

The previous prime is 813961. The next prime is 813971. The reversal of 813962 is 269318.

813962 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 638401 + 175561 = 799^2 + 419^2 .

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 813962.

It is not an unprimeable number, because it can be changed into a prime (813961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 203489 + ... + 203492.

2⁸¹³⁹⁶² is an apocalyptic number.

813962 is a deficient number, since it is larger than the sum of its proper divisors (406984).

813962 is a wasteful number, since it uses less digits than its factorization.

813962 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406983.

The product of its digits is 2592, while the sum is 29.

The square root of 813962 is about 902.1984260682. The cubic root of 813962 is about 93.3687139106.

Subtracting from 813962 its reverse (269318), we obtain a square (544644 = 738²).

The spelling of 813962 in words is "eight hundred thirteen thousand, nine hundred sixty-two".