1813962 has 16 divisors (see below), whose sum is σ = 3726432. Its totient is φ = 588240.

The previous prime is 1813961. The next prime is 1813969. The reversal of 1813962 is 2693181.

It is not an unprimeable number, because it can be changed into a prime (1813961) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3864 + ... + 4307.

It is an arithmetic number, because the mean of its divisors is an integer number (232902).

2^1813962 is an apocalyptic number.

1813962 is an abundant number, since it is smaller than the sum of its proper divisors (1912470).

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

1813962 is a wasteful number, since it uses less digits than its factorization.

1813962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213.

The product of its digits is 2592, while the sum is 30.

The square root of 1813962 is about 1346.8340655032. The cubic root of 1813962 is about 121.9577476187.

It can be divided in two parts, 1813 and 962, that added together give a triangular number (2775 = T₇₄).

The spelling of 1813962 in words is "one million, eight hundred thirteen thousand, nine hundred sixty-two".