409049087 has 8 divisors (see below), whose sum is σ = 443675232. Its totient is φ = 375596800.

The previous prime is 409049057. The next prime is 409049101. The reversal of 409049087 is 780940904.

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 409049087 - 2¹⁸ = 408786943 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (409049057) 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, 292739 + ... + 294132.

It is an arithmetic number, because the mean of its divisors is an integer number (55459404).

Almost surely, 2^409049087 is an apocalyptic number.

409049087 is a deficient number, since it is larger than the sum of its proper divisors (34626145).

409049087 is a wasteful number, since it uses less digits than its factorization.

409049087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586929.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 409049087 is about 20224.9619777146. The cubic root of 409049087 is about 742.3211067469.

The spelling of 409049087 in words is "four hundred nine million, forty-nine thousand, eighty-seven".