63400494 has 8 divisors (see below), whose sum is σ = 126801000. Its totient is φ = 21133496.

The previous prime is 63400483. The next prime is 63400501. The reversal of 63400494 is 49400436.

It is a sphenic number, since it is the product of 3 distinct primes.

63400494 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5283369 + ... + 5283380.

It is an arithmetic number, because the mean of its divisors is an integer number (15850125).

Almost surely, 2^63400494 is an apocalyptic number.

63400494 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

63400494 is a wasteful number, since it uses less digits than its factorization.

63400494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10566754.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 63400494 is about 7962.4427156495. The cubic root of 63400494 is about 398.7471089239.

The spelling of 63400494 in words is "sixty-three million, four hundred thousand, four hundred ninety-four".