2011408 has 20 divisors (see below), whose sum is σ = 4454080. Its totient is φ = 861984.

The previous prime is 2011393. The next prime is 2011409. The reversal of 2011408 is 8041102.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 2011391 and 2011400.

It is not an unprimeable number, because it can be changed into a prime (2011409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8868 + ... + 9091.

It is an arithmetic number, because the mean of its divisors is an integer number (222704).

2^2011408 is an apocalyptic number.

2011408 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2011408 is an abundant number, since it is smaller than the sum of its proper divisors (2442672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2011408 is a wasteful number, since it uses less digits than its factorization.

2011408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17974 (or 17968 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 2011408 is about 1418.2411642594. The cubic root of 2011408 is about 126.2312039462.

The spelling of 2011408 in words is "two million, eleven thousand, four hundred eight".