408601028 has 30 divisors (see below), whose sum is σ = 786664830. Its totient is φ = 185701120.

The previous prime is 408601021. The next prime is 408601031. The reversal of 408601028 is 820106804.

It can be written as a sum of positive squares in only one way, i.e., 295221124 + 113379904 = 17182^2 + 10648^2 .

It is not an unprimeable number, because it can be changed into a prime (408601021) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 55076 + ... + 62052.

It is an arithmetic number, because the mean of its divisors is an integer number (26222161).

Almost surely, 2^408601028 is an apocalyptic number.

It is an amenable number.

408601028 is a deficient number, since it is larger than the sum of its proper divisors (378063802).

408601028 is an equidigital number, since it uses as much as digits as its factorization.

408601028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7025 (or 6990 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 408601028 is about 20213.8820615932. The cubic root of 408601028 is about 742.0499696321.

It can be divided in two parts, 40 and 8601028, that added together give a palindrome (8601068).

The spelling of 408601028 in words is "four hundred eight million, six hundred one thousand, twenty-eight".