408229000 has 32 divisors (see below), whose sum is σ = 955258200. Its totient is φ = 163291200.

The previous prime is 408228983. The next prime is 408229009. The reversal of 408229000 is 922804.

It can be written as a sum of positive squares in 4 ways, for example, as 132204004 + 276024996 = 11498^2 + 16614^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (408229009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 203115 + ... + 205114.

Almost surely, 2^408229000 is an apocalyptic number.

408229000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

408229000 is an abundant number, since it is smaller than the sum of its proper divisors (547029200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

408229000 is a wasteful number, since it uses less digits than its factorization.

408229000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408250 (or 408236 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 408229000 is about 20204.6776762214. The cubic root of 408229000 is about 741.8246910400.

The spelling of 408229000 in words is "four hundred eight million, two hundred twenty-nine thousand".