42893479 has 2 divisors, whose sum is σ = 42893480. Its totient is φ = 42893478.

The previous prime is 42893441. The next prime is 42893519. The reversal of 42893479 is 97439824.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42893479 - 2⁷ = 42893351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42893579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21446739 + 21446740.

It is an arithmetic number, because the mean of its divisors is an integer number (21446740).

Almost surely, 2^42893479 is an apocalyptic number.

42893479 is a deficient number, since it is larger than the sum of its proper divisors (1).

42893479 is an equidigital number, since it uses as much as digits as its factorization.

42893479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 42893479 is about 6549.3113378431. The cubic root of 42893479 is about 350.0502757710.

The spelling of 42893479 in words is "forty-two million, eight hundred ninety-three thousand, four hundred seventy-nine".