489982405 has 32 divisors (see below), whose sum is σ = 670602240. Its totient is φ = 340408320.

The previous prime is 489982343. The next prime is 489982447. The reversal of 489982405 is 504289984.

489982405 = T₃₇₄ + T₃₇₅ + ... + T₁₄₄₀.

It is not a de Polignac number, because 489982405 - 2⁷ = 489982277 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 153132 + ... + 156298.

It is an arithmetic number, because the mean of its divisors is an integer number (20956320).

Almost surely, 2^489982405 is an apocalyptic number.

It is an amenable number.

489982405 is a deficient number, since it is larger than the sum of its proper divisors (180619835).

489982405 is a wasteful number, since it uses less digits than its factorization.

489982405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309.

The product of its (nonzero) digits is 829440, while the sum is 49.

The square root of 489982405 is about 22135.5461870721. The cubic root of 489982405 is about 788.3640798493.

The spelling of 489982405 in words is "four hundred eighty-nine million, nine hundred eighty-two thousand, four hundred five".