63490434 has 32 divisors (see below), whose sum is σ = 145591296. Its totient is φ = 18081360.

The previous prime is 63490423. The next prime is 63490451. The reversal of 63490434 is 43409436.

It is a junction number, because it is equal to n+sod(n) for n = 63490395 and 63490404.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 11619 + ... + 16185.

It is an arithmetic number, because the mean of its divisors is an integer number (4549728).

Almost surely, 2^63490434 is an apocalyptic number.

63490434 is an abundant number, since it is smaller than the sum of its proper divisors (82100862).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63490434 is a wasteful number, since it uses less digits than its factorization.

63490434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910.

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 63490434 is about 7968.0884784244. The cubic root of 63490434 is about 398.9355741733.

The spelling of 63490434 in words is "sixty-three million, four hundred ninety thousand, four hundred thirty-four".