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24788 = 226197

24788 has 6 divisors (see below), whose sum is σ = 43386. Its totient is φ = 12392.

The previous prime is 24781. The next prime is 24793. The reversal of 24788 is 88742.

It can be written as a sum of positive squares in only one way, i.e., 20164 + 4624 = 142^2 + 68^2 .

It is a super-2 number, since 2×247882 = 1228889888, which contains 22 as substring.

It is a plaindrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 24788.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3095 + ... + 3102.

It is an arithmetic number, because the mean of its divisors is an integer number (7231).

224788 is an apocalyptic number.

It is an amenable number.

24788 is a deficient number, since it is larger than the sum of its proper divisors (18598).

24788 is a wasteful number, since it uses less digits than its factorization.

24788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201 (or 6199 counting only the distinct ones).

The product of its digits is 3584, while the sum is 29.

The square root of 24788 is about 157.4420528321. The cubic root of 24788 is about 29.1572904102.

It can be divided in two parts, 247 and 88, that multiplied together give a triangular number (21736 = T208).

The spelling of 24788 in words is "twenty-four thousand, seven hundred eighty-eight".

Divisors: 1 2 4 6197 12394 24788