39001229 has 4 divisors (see below), whose sum is σ = 39014976. Its totient is φ = 38987484.

The previous prime is 39001103. The next prime is 39001241. The reversal of 39001229 is 92210093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 92210093 = 5791 ⋅15923.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-39001229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39001198 and 39001207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39001289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 869 + ... + 8874.

It is an arithmetic number, because the mean of its divisors is an integer number (9753744).

Almost surely, 2^39001229 is an apocalyptic number.

It is an amenable number.

39001229 is a deficient number, since it is larger than the sum of its proper divisors (13747).

39001229 is an equidigital number, since it uses as much as digits as its factorization.

39001229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13746.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 39001229 is about 6245.0963963737. The cubic root of 39001229 is about 339.1247064852.

The spelling of 39001229 in words is "thirty-nine million, one thousand, two hundred twenty-nine".