63897410 has 8 divisors (see below), whose sum is σ = 115015356. Its totient is φ = 25558960.

The previous prime is 63897403. The next prime is 63897419. The reversal of 63897410 is 1479836.

It can be written as a sum of positive squares in 2 ways, for example, as 60824401 + 3073009 = 7799^2 + 1753^2 .

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

It is not an unprimeable number, because it can be changed into a prime (63897419) 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 3 ways as a sum of consecutive naturals, for example, 3194861 + ... + 3194880.

Almost surely, 2^63897410 is an apocalyptic number.

63897410 is a deficient number, since it is larger than the sum of its proper divisors (51117946).

63897410 is a wasteful number, since it uses less digits than its factorization.

63897410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6389748.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 63897410 is about 7993.5855534297. The cubic root of 63897410 is about 399.7861565311.

The spelling of 63897410 in words is "sixty-three million, eight hundred ninety-seven thousand, four hundred ten".