1813954 has 8 divisors (see below), whose sum is σ = 2737728. Its totient is φ = 901380.

The previous prime is 1813943. The next prime is 1813961. The reversal of 1813954 is 4593181.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1813954² = 6580858228232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2382 + ... + 3049.

It is an arithmetic number, because the mean of its divisors is an integer number (342216).

2^1813954 is an apocalyptic number.

1813954 is a deficient number, since it is larger than the sum of its proper divisors (923774).

1813954 is a wasteful number, since it uses less digits than its factorization.

1813954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5600.

The product of its digits is 4320, while the sum is 31.

The square root of 1813954 is about 1346.8310955721. The cubic root of 1813954 is about 121.9575683309.

The spelling of 1813954 in words is "one million, eight hundred thirteen thousand, nine hundred fifty-four".