63393240 has 64 divisors (see below), whose sum is σ = 190706400. Its totient is φ = 16858112.

The previous prime is 63393229. The next prime is 63393251. The reversal of 63393240 is 4239336.

It is an interprime number because it is at equal distance from previous prime (63393229) and next prime (63393251).

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

It is a junction number, because it is equal to n+sod(n) for n = 63393198 and 63393207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77956 + ... + 78764.

Almost surely, 2^63393240 is an apocalyptic number.

63393240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

63393240 is an abundant number, since it is smaller than the sum of its proper divisors (127313160).

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

63393240 is a wasteful number, since it uses less digits than its factorization.

63393240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1476 (or 1472 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 30.

The square root of 63393240 is about 7961.9871891381. The cubic root of 63393240 is about 398.7319007256.

The spelling of 63393240 in words is "sixty-three million, three hundred ninety-three thousand, two hundred forty".