63690046 has 16 divisors (see below), whose sum is σ = 109285344. Its totient is φ = 27270144.

The previous prime is 63690043. The next prime is 63690049. The reversal of 63690046 is 64009636.

It is an interprime number because it is at equal distance from previous prime (63690043) and next prime (63690049).

It is a junction number, because it is equal to n+sod(n) for n = 63689993 and 63690020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63690043) 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, 28506 + ... + 30658.

It is an arithmetic number, because the mean of its divisors is an integer number (6830334).

Almost surely, 2^63690046 is an apocalyptic number.

63690046 is a deficient number, since it is larger than the sum of its proper divisors (45595298).

63690046 is a wasteful number, since it uses less digits than its factorization.

63690046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4275.

The product of its (nonzero) digits is 23328, while the sum is 34.

The square root of 63690046 is about 7980.6043630793. The cubic root of 63690046 is about 399.3532172438.

The spelling of 63690046 in words is "sixty-three million, six hundred ninety thousand, forty-six".