474309487 has 2 divisors, whose sum is σ = 474309488. Its totient is φ = 474309486.

The previous prime is 474309461. The next prime is 474309523. The reversal of 474309487 is 784903474.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 474309487 - 2¹¹ = 474307439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (474379487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237154743 + 237154744.

It is an arithmetic number, because the mean of its divisors is an integer number (237154744).

Almost surely, 2^474309487 is an apocalyptic number.

474309487 is a deficient number, since it is larger than the sum of its proper divisors (1).

474309487 is an equidigital number, since it uses as much as digits as its factorization.

474309487 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 46.

The square root of 474309487 is about 21778.6475016242. The cubic root of 474309487 is about 779.8671080853.

The spelling of 474309487 in words is "four hundred seventy-four million, three hundred nine thousand, four hundred eighty-seven".