39223040 has 36 divisors (see below), whose sum is σ = 93954504. Its totient is φ = 15688704.

The previous prime is 39223033. The next prime is 39223057. The reversal of 39223040 is 4032293.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 39222997 and 39223015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14042 + ... + 16601.

Almost surely, 2^39223040 is an apocalyptic number.

It is an amenable number.

39223040 is an abundant number, since it is smaller than the sum of its proper divisors (54731464).

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

39223040 is an equidigital number, since it uses as much as digits as its factorization.

39223040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30664 (or 30650 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 39223040 is about 6262.8300312239. The cubic root of 39223040 is about 339.7663908537.

It can be divided in two parts, 392 and 23040, that added together give a palindrome (23432).

The spelling of 39223040 in words is "thirty-nine million, two hundred twenty-three thousand, forty".