63403950 has 48 divisors (see below), whose sum is σ = 165525120. Its totient is φ = 16017120.

The previous prime is 63403943. The next prime is 63403957. The reversal of 63403950 is 5930436.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (63403943) and next prime (63403957).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63403957) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8274 + ... + 13973.

It is an arithmetic number, because the mean of its divisors is an integer number (3448440).

Almost surely, 2^63403950 is an apocalyptic number.

63403950 is an abundant number, since it is smaller than the sum of its proper divisors (102121170).

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

63403950 is a wasteful number, since it uses less digits than its factorization.

63403950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22281 (or 22276 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 63403950 is about 7962.6597315219. The cubic root of 63403950 is about 398.7543541091.

The spelling of 63403950 in words is "sixty-three million, four hundred three thousand, nine hundred fifty".