2009475 has 48 divisors (see below), whose sum is σ = 3992800. Its totient is φ = 984960.

The previous prime is 2009467. The next prime is 2009489. The reversal of 2009475 is 5749002.

It is not a de Polignac number, because 2009475 - 2³ = 2009467 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 an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8661 + ... + 8889.

2^2009475 is an apocalyptic number.

2009475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2009475 is a deficient number, since it is larger than the sum of its proper divisors (1983325).

2009475 is a wasteful number, since it uses less digits than its factorization.

2009475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 2009475 is about 1417.5595225598. The cubic root of 2009475 is about 126.1907541513.

The spelling of 2009475 in words is "two million, nine thousand, four hundred seventy-five".