3904371428 has 6 divisors (see below), whose sum is σ = 6832650006. Its totient is φ = 1952185712.

The previous prime is 3904371421. The next prime is 3904371473. The reversal of 3904371428 is 8241734093.

It can be written as a sum of positive squares in only one way, i.e., 2641137664 + 1263233764 = 51392^2 + 35542^2 .

It is not an unprimeable number, because it can be changed into a prime (3904371421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488046425 + ... + 488046432.

It is an arithmetic number, because the mean of its divisors is an integer number (1138775001).

Almost surely, 2^3904371428 is an apocalyptic number.

It is an amenable number.

3904371428 is a deficient number, since it is larger than the sum of its proper divisors (2928278578).

3904371428 is a wasteful number, since it uses less digits than its factorization.

3904371428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 976092861 (or 976092859 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 3904371428 is about 62484.9696167006. The cubic root of 3904371428 is about 1574.6488076298.

The spelling of 3904371428 in words is "three billion, nine hundred four million, three hundred seventy-one thousand, four hundred twenty-eight".