399536029 has 8 divisors (see below), whose sum is σ = 413280000. Its totient is φ = 385845600.

The previous prime is 399536003. The next prime is 399536063. The reversal of 399536029 is 920635993.

It is a happy number.

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 399536029 - 2⁹ = 399535517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 399536029.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (399536069) 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, 2097 + ... + 28345.

It is an arithmetic number, because the mean of its divisors is an integer number (51660000).

Almost surely, 2^399536029 is an apocalyptic number.

It is an amenable number.

399536029 is a deficient number, since it is larger than the sum of its proper divisors (13743971).

399536029 is a wasteful number, since it uses less digits than its factorization.

399536029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26771.

The product of its (nonzero) digits is 393660, while the sum is 46.

The square root of 399536029 is about 19988.3973594683. The cubic root of 399536029 is about 736.5213088803.

The spelling of 399536029 in words is "three hundred ninety-nine million, five hundred thirty-six thousand, twenty-nine".