1408671 has 48 divisors (see below), whose sum is σ = 2515968. Its totient is φ = 777600.

The previous prime is 1408669. The next prime is 1408697. The reversal of 1408671 is 1768041.

It is a happy number.

It is not a de Polignac number, because 1408671 - 2¹ = 1408669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1408601) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 45426 + ... + 45456.

It is an arithmetic number, because the mean of its divisors is an integer number (52416).

2^1408671 is an apocalyptic number.

1408671 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1408671 is a deficient number, since it is larger than the sum of its proper divisors (1107297).

1408671 is a wasteful number, since it uses less digits than its factorization.

1408671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 62 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 1408671 is about 1186.8744668245. The cubic root of 1408671 is about 112.0993750235.

The spelling of 1408671 in words is "one million, four hundred eight thousand, six hundred seventy-one".