39226739 has 8 divisors (see below), whose sum is σ = 39836160. Its totient is φ = 38620296.

The previous prime is 39226729. The next prime is 39226777. The reversal of 39226739 is 93762293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39226739 - 2²⁴ = 22449523 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39226696 and 39226705.

It is not an unprimeable number, because it can be changed into a prime (39226729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53594 + ... + 54320.

It is an arithmetic number, because the mean of its divisors is an integer number (4979520).

Almost surely, 2^39226739 is an apocalyptic number.

39226739 is a deficient number, since it is larger than the sum of its proper divisors (609421).

39226739 is an equidigital number, since it uses as much as digits as its factorization.

39226739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1489.

The product of its digits is 122472, while the sum is 41.

The square root of 39226739 is about 6263.1253380401. The cubic root of 39226739 is about 339.7770712800. Note that the first 3 decimals are identical.

The spelling of 39226739 in words is "thirty-nine million, two hundred twenty-six thousand, seven hundred thirty-nine".