63698349 has 32 divisors (see below), whose sum is σ = 102501504. Its totient is φ = 34663680.

The previous prime is 63698321. The next prime is 63698359. The reversal of 63698349 is 94389636.

It is not a de Polignac number, because 63698349 - 2¹⁶ = 63632813 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a junction number, because it is equal to n+sod(n) for n = 63698298 and 63698307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63698359) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13867 + ... + 17879.

It is an arithmetic number, because the mean of its divisors is an integer number (3203172).

Almost surely, 2^63698349 is an apocalyptic number.

It is an amenable number.

63698349 is a deficient number, since it is larger than the sum of its proper divisors (38803155).

63698349 is a wasteful number, since it uses less digits than its factorization.

63698349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077.

The product of its digits is 839808, while the sum is 48.

The square root of 63698349 is about 7981.1245448245. The cubic root of 63698349 is about 399.3705704824.

The spelling of 63698349 in words is "sixty-three million, six hundred ninety-eight thousand, three hundred forty-nine".