1046840 has 16 divisors (see below), whose sum is σ = 2355480. Its totient is φ = 418720.

The previous prime is 1046833. The next prime is 1046849. The reversal of 1046840 is 486401.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1046849) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 13046 + ... + 13125.

2^1046840 is an apocalyptic number.

1046840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1046840 is an abundant number, since it is smaller than the sum of its proper divisors (1308640).

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

1046840 is a wasteful number, since it uses less digits than its factorization.

1046840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26182 (or 26178 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 1046840 is about 1023.1519926189. The cubic root of 1046840 is about 101.5375709229.

The spelling of 1046840 in words is "one million, forty-six thousand, eight hundred forty".