409574649 has 8 divisors (see below), whose sum is σ = 595744992. Its totient is φ = 248227040.

The previous prime is 409574629. The next prime is 409574653. The reversal of 409574649 is 946475904.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 409574649 - 2¹¹ = 409572601 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 409574598 and 409574607.

It is not an unprimeable number, because it can be changed into a prime (409574629) 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, 6205644 + ... + 6205709.

It is an arithmetic number, because the mean of its divisors is an integer number (74468124).

Almost surely, 2^409574649 is an apocalyptic number.

It is an amenable number.

409574649 is a deficient number, since it is larger than the sum of its proper divisors (186170343).

409574649 is a wasteful number, since it uses less digits than its factorization.

409574649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411367.

The product of its (nonzero) digits is 1088640, while the sum is 48.

The square root of 409574649 is about 20237.9507114727. The cubic root of 409574649 is about 742.6388915882.

The spelling of 409574649 in words is "four hundred nine million, five hundred seventy-four thousand, six hundred forty-nine".