409949006 has 16 divisors (see below), whose sum is σ = 618658560. Its totient is φ = 203733600.

The previous prime is 409948969. The next prime is 409949009. The reversal of 409949006 is 600949904.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409949009) 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, 376595 + ... + 377681.

It is an arithmetic number, because the mean of its divisors is an integer number (38666160).

Almost surely, 2^409949006 is an apocalyptic number.

409949006 is a deficient number, since it is larger than the sum of its proper divisors (208709554).

409949006 is a wasteful number, since it uses less digits than its factorization.

409949006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2059.

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 409949006 is about 20247.1974850842. The cubic root of 409949006 is about 742.8650834915.

The spelling of 409949006 in words is "four hundred nine million, nine hundred forty-nine thousand, six".