411649 has 12 divisors (see below), whose sum is σ = 496128. Its totient is φ = 340200.

The previous prime is 411641. The next prime is 411667. The reversal of 411649 is 946114.

It is not a de Polignac number, because 411649 - 2³ = 411641 is a prime.

It is a Duffinian number.

411649 is a lucky number.

It is a nialpdrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (411641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1384 + ... + 1654.

It is an arithmetic number, because the mean of its divisors is an integer number (41344).

It is a Proth number, since it is equal to 201 ⋅ 2¹¹ + 1 and 201 < 2¹¹.

2⁴¹¹⁶⁴⁹ is an apocalyptic number.

411649 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

It is an amenable number.

411649 is a deficient number, since it is larger than the sum of its proper divisors (84479).

411649 is a wasteful number, since it uses less digits than its factorization.

411649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316 (or 309 counting only the distinct ones).

The product of its digits is 864, while the sum is 25.

The square root of 411649 is about 641.5987842881. The cubic root of 411649 is about 74.3890515550.

The spelling of 411649 in words is "four hundred eleven thousand, six hundred forty-nine".