1045408 has 48 divisors (see below), whose sum is σ = 2540160. Its totient is φ = 412416.

The previous prime is 1045397. The next prime is 1045409. The reversal of 1045408 is 8045401.

It is not an unprimeable number, because it can be changed into a prime (1045409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2733 + ... + 3091.

It is an arithmetic number, because the mean of its divisors is an integer number (52920).

2^1045408 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1045408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1270080).

1045408 is an abundant number, since it is smaller than the sum of its proper divisors (1494752).

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

1045408 is a wasteful number, since it uses less digits than its factorization.

1045408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 22.

The square root of 1045408 is about 1022.4519548614. The cubic root of 1045408 is about 101.4912511569.

The spelling of 1045408 in words is "one million, forty-five thousand, four hundred eight".