1040628 has 12 divisors (see below), whose sum is σ = 2428160. Its totient is φ = 346872.

The previous prime is 1040597. The next prime is 1040629. The reversal of 1040628 is 8260401.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43348 + ... + 43371.

2^1040628 is an apocalyptic number.

It is an amenable number.

1040628 is an abundant number, since it is smaller than the sum of its proper divisors (1387532).

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

1040628 is a wasteful number, since it uses less digits than its factorization.

1040628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86726 (or 86724 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1040628 is about 1020.1117585833. Note that the first 3 decimals coincide. The cubic root of 1040628 is about 101.3363293589.

The spelling of 1040628 in words is "one million, forty thousand, six hundred twenty-eight".