1409016 has 32 divisors (see below), whose sum is σ = 4026240. Its totient is φ = 402528.

The previous prime is 1408999. The next prime is 1409017. The reversal of 1409016 is 6109041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1408983 and 1409001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1409017) 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, 4026 + ... + 4361.

It is an arithmetic number, because the mean of its divisors is an integer number (125820).

2^1409016 is an apocalyptic number.

It is an amenable number.

1409016 is an abundant number, since it is smaller than the sum of its proper divisors (2617224).

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

1409016 is a wasteful number, since it uses less digits than its factorization.

1409016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8403 (or 8399 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1409016 is about 1187.0197976445. The cubic root of 1409016 is about 112.1085257591.

The spelling of 1409016 in words is "one million, four hundred nine thousand, sixteen".