63894590 has 16 divisors (see below), whose sum is σ = 115138800. Its totient is φ = 25529280.

The previous prime is 63894559. The next prime is 63894599. The reversal of 63894590 is 9549836.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63894599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7445 + ... + 13535.

It is an arithmetic number, because the mean of its divisors is an integer number (7196175).

Almost surely, 2^63894590 is an apocalyptic number.

63894590 is a deficient number, since it is larger than the sum of its proper divisors (51244210).

63894590 is a wasteful number, since it uses less digits than its factorization.

63894590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7147.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 63894590 is about 7993.4091600518. The cubic root of 63894590 is about 399.7802751579.

The spelling of 63894590 in words is "sixty-three million, eight hundred ninety-four thousand, five hundred ninety".