408787049 has 32 divisors (see below), whose sum is σ = 491692032. Its totient is φ = 335520000.

The previous prime is 408787037. The next prime is 408787069. The reversal of 408787049 is 940787804.

It is a cyclic number.

It is not a de Polignac number, because 408787049 - 2¹² = 408782953 is a prime.

It is a super-3 number, since 3×408787049³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 408786994 and 408787012.

It is not an unprimeable number, because it can be changed into a prime (408787009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 875114 + ... + 875580.

It is an arithmetic number, because the mean of its divisors is an integer number (15365376).

Almost surely, 2^408787049 is an apocalyptic number.

It is an amenable number.

408787049 is a deficient number, since it is larger than the sum of its proper divisors (82904983).

408787049 is a wasteful number, since it uses less digits than its factorization.

408787049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677.

The product of its (nonzero) digits is 451584, while the sum is 47.

The square root of 408787049 is about 20218.4828560404. The cubic root of 408787049 is about 742.1625618884.

The spelling of 408787049 in words is "four hundred eight million, seven hundred eighty-seven thousand, forty-nine".