39001224 has 96 divisors (see below), whose sum is σ = 107244000. Its totient is φ = 11784960.

The previous prime is 39001103. The next prime is 39001241. The reversal of 39001224 is 42210093.

It is a self number, because there is not a number n which added to its sum of digits gives 39001224.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 438172 + ... + 438260.

It is an arithmetic number, because the mean of its divisors is an integer number (1117125).

Almost surely, 2^39001224 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 39001224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53622000).

39001224 is an abundant number, since it is smaller than the sum of its proper divisors (68242776).

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

39001224 is a wasteful number, since it uses less digits than its factorization.

39001224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179 (or 144 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 39001224 is about 6245.0959960596. The cubic root of 39001224 is about 339.1246919932.

The spelling of 39001224 in words is "thirty-nine million, one thousand, two hundred twenty-four".