854407 has 2 divisors, whose sum is σ = 854408. Its totient is φ = 854406.

The previous prime is 854387. The next prime is 854417. The reversal of 854407 is 704458.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-854407 is a prime.

It is a super-2 number, since 2×854407² = 1460022643298, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427203 + 427204.

It is an arithmetic number, because the mean of its divisors is an integer number (427204).

2⁸⁵⁴⁴⁰⁷ is an apocalyptic number.

854407 is a deficient number, since it is larger than the sum of its proper divisors (1).

854407 is an equidigital number, since it uses as much as digits as its factorization.

854407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4480, while the sum is 28.

The square root of 854407 is about 924.3413871509. The cubic root of 854407 is about 94.8902518410.

The spelling of 854407 in words is "eight hundred fifty-four thousand, four hundred seven".