39020428 has 24 divisors (see below), whose sum is σ = 70912800. Its totient is φ = 18764928.

The previous prime is 39020411. The next prime is 39020437. The reversal of 39020428 is 82402093.

39020428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 39020396 and 39020405.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41176 + ... + 42112.

It is an arithmetic number, because the mean of its divisors is an integer number (2954700).

Almost surely, 2^39020428 is an apocalyptic number.

It is an amenable number.

39020428 is a deficient number, since it is larger than the sum of its proper divisors (31892372).

39020428 is a wasteful number, since it uses less digits than its factorization.

39020428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1329 (or 1327 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 39020428 is about 6246.6333332444. The cubic root of 39020428 is about 339.1803439386.

The spelling of 39020428 in words is "thirty-nine million, twenty thousand, four hundred twenty-eight".