1157628 has 12 divisors (see below), whose sum is σ = 2701160. Its totient is φ = 385872.

The previous prime is 1157627. The next prime is 1157641. The reversal of 1157628 is 8267511.

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

It is a junction number, because it is equal to n+sod(n) for n = 1157595 and 1157604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1157621) 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, 48223 + ... + 48246.

2^1157628 is an apocalyptic number.

It is an amenable number.

1157628 is an abundant number, since it is smaller than the sum of its proper divisors (1543532).

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

1157628 is a wasteful number, since it uses less digits than its factorization.

1157628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96476 (or 96474 counting only the distinct ones).

The product of its digits is 3360, while the sum is 30.

The square root of 1157628 is about 1075.9312245678. The cubic root of 1157628 is about 105.0000907029. Note that the first 4 decimals are identical.

The spelling of 1157628 in words is "one million, one hundred fifty-seven thousand, six hundred twenty-eight".