1009562 has 16 divisors (see below), whose sum is σ = 1674432. Its totient is φ = 454080.

The previous prime is 1009559. The next prime is 1009573. The reversal of 1009562 is 2659001.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137 + ... + 1427.

It is an arithmetic number, because the mean of its divisors is an integer number (104652).

2^1009562 is an apocalyptic number.

1009562 is a deficient number, since it is larger than the sum of its proper divisors (664870).

1009562 is a wasteful number, since it uses less digits than its factorization.

1009562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1333.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 1009562 is about 1004.7696253371. The cubic root of 1009562 is about 100.3177227865.

The spelling of 1009562 in words is "one million, nine thousand, five hundred sixty-two".