63361900 has 108 divisors (see below), whose sum is σ = 163171848. Its totient is φ = 21288960.

The previous prime is 63361877. The next prime is 63361927. The reversal of 63361900 is 916336.

It is a super-2 number, since 2×63361900² = 8029460743220000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 328204 + ... + 328396.

Almost surely, 2^63361900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63361900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81585924).

63361900 is an abundant number, since it is smaller than the sum of its proper divisors (99809948).

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

63361900 is a wasteful number, since it uses less digits than its factorization.

63361900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 63361900 is about 7960.0188441988. The cubic root of 63361900 is about 398.6661822693. Note that the first 3 decimals are identical.

It can be divided in two parts, 63361 and 900, that added together give a triangular number (64261 = T₃₅₈).

The spelling of 63361900 in words is "sixty-three million, three hundred sixty-one thousand, nine hundred".