1045616 has 40 divisors (see below), whose sum is σ = 2385264. Its totient is φ = 437760.

The previous prime is 1045607. The next prime is 1045621. The reversal of 1045616 is 6165401.

It is a junction number, because it is equal to n+sod(n) for n = 1045591 and 1045600.

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, 2060 + ... + 2516.

2^1045616 is an apocalyptic number.

1045616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1192632).

1045616 is an abundant number, since it is smaller than the sum of its proper divisors (1339648).

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

1045616 is a wasteful number, since it uses less digits than its factorization.

1045616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489 (or 483 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1045616 is about 1022.5536660733. The cubic root of 1045616 is about 101.4979817923.

It can be divided in two parts, 1045 and 616, that added together give a palindrome (1661).

The spelling of 1045616 in words is "one million, forty-five thousand, six hundred sixteen".