39029402 has 4 divisors (see below), whose sum is σ = 58544106. Its totient is φ = 19514700.

The previous prime is 39029387. The next prime is 39029429. The reversal of 39029402 is 20492093.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 28718881 + 10310521 = 5359^2 + 3211^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9757349 + ... + 9757352.

Almost surely, 2^39029402 is an apocalyptic number.

39029402 is a deficient number, since it is larger than the sum of its proper divisors (19514704).

39029402 is a wasteful number, since it uses less digits than its factorization.

39029402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19514703.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 39029402 is about 6247.3515988777. The cubic root of 39029402 is about 339.2063437482.

It can be divided in two parts, 390 and 29402, that added together give a palindrome (29792).

The spelling of 39029402 in words is "thirty-nine million, twenty-nine thousand, four hundred two".