473994439 has 2 divisors, whose sum is σ = 473994440. Its totient is φ = 473994438.

The previous prime is 473994427. The next prime is 473994449. The reversal of 473994439 is 934499374.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 473994439 - 2²¹ = 471897287 is a prime.

It is a super-4 number, since 4×473994439⁴ (a number of 36 digits) contains 4444 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (473994449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 236997219 + 236997220.

It is an arithmetic number, because the mean of its divisors is an integer number (236997220).

Almost surely, 2^473994439 is an apocalyptic number.

473994439 is a deficient number, since it is larger than the sum of its proper divisors (1).

473994439 is an equidigital number, since it uses as much as digits as its factorization.

473994439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2939328, while the sum is 52.

The square root of 473994439 is about 21771.4133441079. The cubic root of 473994439 is about 779.6944008843.

The spelling of 473994439 in words is "four hundred seventy-three million, nine hundred ninety-four thousand, four hundred thirty-nine".