427454443 has 32 divisors (see below), whose sum is σ = 515192832. Its totient is φ = 350784000.

The previous prime is 427454437. The next prime is 427454473. The reversal of 427454443 is 344454724.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427454443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (427454473) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 293868 + ... + 295318.

It is an arithmetic number, because the mean of its divisors is an integer number (16099776).

Almost surely, 2^427454443 is an apocalyptic number.

427454443 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

427454443 is a deficient number, since it is larger than the sum of its proper divisors (87738389).

427454443 is a wasteful number, since it uses less digits than its factorization.

427454443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555.

The product of its digits is 215040, while the sum is 37.

The square root of 427454443 is about 20674.9714147324. The cubic root of 427454443 is about 753.2918669364.

The spelling of 427454443 in words is "four hundred twenty-seven million, four hundred fifty-four thousand, four hundred forty-three".