2009492 has 12 divisors (see below), whose sum is σ = 3602676. Its totient is φ = 980160.

The previous prime is 2009489. The next prime is 2009503. The reversal of 2009492 is 2949002.

It can be written as a sum of positive squares in 2 ways, for example, as 456976 + 1552516 = 676^2 + 1246^2 .

It is a super-3 number, since 3×2009492³ = 24343336330784470464, which contains 333 as substring.

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 3 ways as a sum of consecutive naturals, for example, 5963 + ... + 6290.

It is an arithmetic number, because the mean of its divisors is an integer number (300223).

2^2009492 is an apocalyptic number.

It is an amenable number.

2009492 is a deficient number, since it is larger than the sum of its proper divisors (1593184).

2009492 is a wasteful number, since it uses less digits than its factorization.

2009492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12298 (or 12296 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 2009492 is about 1417.5655187680. The cubic root of 2009492 is about 126.1911100049.

The spelling of 2009492 in words is "two million, nine thousand, four hundred ninety-two".