63698492 has 48 divisors (see below), whose sum is σ = 131867232. Its totient is φ = 26542080.

The previous prime is 63698429. The next prime is 63698539. The reversal of 63698492 is 29489636.

It is a super-3 number, since 3×63698492³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 110108 + ... + 110684.

It is an arithmetic number, because the mean of its divisors is an integer number (2747234).

Almost surely, 2^63698492 is an apocalyptic number.

It is an amenable number.

63698492 is an abundant number, since it is smaller than the sum of its proper divisors (68168740).

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

63698492 is a wasteful number, since it uses less digits than its factorization.

63698492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798 (or 796 counting only the distinct ones).

The product of its digits is 559872, while the sum is 47.

The square root of 63698492 is about 7981.1335034568. The cubic root of 63698492 is about 399.3708693386.

Subtracting from 63698492 its reverse (29489636), we obtain a triangular number (34208856 = T₈₂₇₁).

The spelling of 63698492 in words is "sixty-three million, six hundred ninety-eight thousand, four hundred ninety-two".