4039930 has 8 divisors (see below), whose sum is σ = 7271892. Its totient is φ = 1615968.

The previous prime is 4039901. The next prime is 4039949. The reversal of 4039930 is 399304.

It can be written as a sum of positive squares in 2 ways, for example, as 4028049 + 11881 = 2007^2 + 109^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201987 + ... + 202006.

Almost surely, 2^4039930 is an apocalyptic number.

4039930 is a deficient number, since it is larger than the sum of its proper divisors (3231962).

4039930 is a wasteful number, since it uses less digits than its factorization.

4039930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404000.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 4039930 is about 2009.9577109979. The cubic root of 4039930 is about 159.2665649688.

The spelling of 4039930 in words is "four million, thirty-nine thousand, nine hundred thirty".