39013429 has 16 divisors (see below), whose sum is σ = 49318528. Its totient is φ = 30030912.

The previous prime is 39013421. The next prime is 39013433. The reversal of 39013429 is 92431093.

It is a cyclic number.

It is not a de Polignac number, because 39013429 - 2³ = 39013421 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 39013429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39013421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2427 + ... + 9160.

It is an arithmetic number, because the mean of its divisors is an integer number (3082408).

Almost surely, 2^39013429 is an apocalyptic number.

It is an amenable number.

39013429 is a deficient number, since it is larger than the sum of its proper divisors (10305099).

39013429 is a wasteful number, since it uses less digits than its factorization.

39013429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11644.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 39013429 is about 6246.0730863479. The cubic root of 39013429 is about 339.1600634061.

The spelling of 39013429 in words is "thirty-nine million, thirteen thousand, four hundred twenty-nine".