1883381 has 2 divisors, whose sum is σ = 1883382. Its totient is φ = 1883380.

The previous prime is 1883377. The next prime is 1883383. The reversal of 1883381 is 1833881.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1716100 + 167281 = 1310^2 + 409^2 .

It is a cyclic number.

It is not a de Polignac number, because 1883381 - 2² = 1883377 is a prime.

It is a super-2 number, since 2×1883381² = 7094247982322, which contains 22 as substring.

Together with 1883383, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1883383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 941690 + 941691.

It is an arithmetic number, because the mean of its divisors is an integer number (941691).

2^1883381 is an apocalyptic number.

It is an amenable number.

1883381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1883381 is an equidigital number, since it uses as much as digits as its factorization.

1883381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4608, while the sum is 32.

The square root of 1883381 is about 1372.3632900949. The cubic root of 1883381 is about 123.4940579678.

It can be divided in two parts, 188 and 3381, that multiplied together give a triangular number (635628 = T₁₁₂₇).

The spelling of 1883381 in words is "one million, eight hundred eighty-three thousand, three hundred eighty-one".