649411 has 8 divisors (see below), whose sum is σ = 749664. Its totient is φ = 551040.

The previous prime is 649403. The next prime is 649421. The reversal of 649411 is 114946.

649411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 649411 - 2³ = 649403 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (649421) 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, 381 + ... + 1201.

It is an arithmetic number, because the mean of its divisors is an integer number (93708).

2⁶⁴⁹⁴¹¹ is an apocalyptic number.

649411 is a deficient number, since it is larger than the sum of its proper divisors (100253).

649411 is a wasteful number, since it uses less digits than its factorization.

649411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

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

The square root of 649411 is about 805.8604097485. The cubic root of 649411 is about 86.5977377637.

The spelling of 649411 in words is "six hundred forty-nine thousand, four hundred eleven".