1052406 has 16 divisors (see below), whose sum is σ = 2338800. Its totient is φ = 350784.

The previous prime is 1052333. The next prime is 1052413. The reversal of 1052406 is 6042501.

It is a happy number.

It is a super-2 number, since 2×1052406² = 2215116777672, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9691 + ... + 9798.

It is an arithmetic number, because the mean of its divisors is an integer number (146175).

2^1052406 is an apocalyptic number.

1052406 is an abundant number, since it is smaller than the sum of its proper divisors (1286394).

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

1052406 is a wasteful number, since it uses less digits than its factorization.

1052406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19500 (or 19494 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 1052406 is about 1025.8684126144. The cubic root of 1052406 is about 101.7172097815.

Adding to 1052406 its reverse (6042501), we get a palindrome (7094907).

The spelling of 1052406 in words is "one million, fifty-two thousand, four hundred six".