881437 has 2 divisors, whose sum is σ = 881438. Its totient is φ = 881436.

The previous prime is 881417. The next prime is 881449. The reversal of 881437 is 734188.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 630436 + 251001 = 794^2 + 501^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-881437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 881399 and 881408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440718 + 440719.

It is an arithmetic number, because the mean of its divisors is an integer number (440719).

2⁸⁸¹⁴³⁷ is an apocalyptic number.

It is an amenable number.

881437 is a deficient number, since it is larger than the sum of its proper divisors (1).

881437 is an equidigital number, since it uses as much as digits as its factorization.

881437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5376, while the sum is 31.

The square root of 881437 is about 938.8487631136. The cubic root of 881437 is about 95.8805299136.

The spelling of 881437 in words is "eight hundred eighty-one thousand, four hundred thirty-seven".