2092381 has 2 divisors, whose sum is σ = 2092382. Its totient is φ = 2092380.

The previous prime is 2092369. The next prime is 2092397. The reversal of 2092381 is 1832902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2088025 + 4356 = 1445^2 + 66^2 .

It is a cyclic number.

It is not a de Polignac number, because 2092381 - 2¹⁵ = 2059613 is a prime.

It is a super-2 number, since 2×2092381² = 8756116498322, which contains 22 as substring.

It is equal to p₁₅₅₂₉₃ and since 2092381 and 155293 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2092351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1046190 + 1046191.

It is an arithmetic number, because the mean of its divisors is an integer number (1046191).

2^2092381 is an apocalyptic number.

It is an amenable number.

2092381 is a deficient number, since it is larger than the sum of its proper divisors (1).

2092381 is an equidigital number, since it uses as much as digits as its factorization.

2092381 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 2092381 is about 1446.5064811469. The cubic root of 2092381 is about 127.9028600551.

The spelling of 2092381 in words is "two million, ninety-two thousand, three hundred eighty-one".