1045398 has 32 divisors (see below), whose sum is σ = 2281824. Its totient is φ = 317952.

The previous prime is 1045397. The next prime is 1045409. The reversal of 1045398 is 8935401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636 + ... + 3912.

It is an arithmetic number, because the mean of its divisors is an integer number (71307).

2^1045398 is an apocalyptic number.

1045398 is an abundant number, since it is smaller than the sum of its proper divisors (1236426).

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

1045398 is a wasteful number, since it uses less digits than its factorization.

1045398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1045398 is about 1022.4470646444. The cubic root of 1045398 is about 101.4909275462.

The spelling of 1045398 in words is "one million, forty-five thousand, three hundred ninety-eight".