63285940 has 24 divisors (see below), whose sum is σ = 133604352. Its totient is φ = 25180320.

The previous prime is 63285931. The next prime is 63285961. The reversal of 63285940 is 4958236.

It is a super-2 number, since 2×63285940² = 8010220403367200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63285940.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4464 + ... + 12103.

It is an arithmetic number, because the mean of its divisors is an integer number (5566848).

Almost surely, 2^63285940 is an apocalyptic number.

It is an amenable number.

63285940 is an abundant number, since it is smaller than the sum of its proper divisors (70318412).

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

63285940 is a wasteful number, since it uses less digits than its factorization.

63285940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16767 (or 16765 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 37.

The square root of 63285940 is about 7955.2460678473. The cubic root of 63285940 is about 398.5068078792.

The spelling of 63285940 in words is "sixty-three million, two hundred eighty-five thousand, nine hundred forty".