1063404 has 36 divisors (see below), whose sum is σ = 2722720. Its totient is φ = 349920.

The previous prime is 1063399. The next prime is 1063409. The reversal of 1063404 is 4043601.

It is an interprime number because it is at equal distance from previous prime (1063399) and next prime (1063409).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×1063404² = 2261656134432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1063409) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3789 + ... + 4059.

2^1063404 is an apocalyptic number.

It is an amenable number.

1063404 is an abundant number, since it is smaller than the sum of its proper divisors (1659316).

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

1063404 is a wasteful number, since it uses less digits than its factorization.

1063404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 385 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1063404 is about 1031.2148175817. The cubic root of 1063404 is about 102.0703090793.

The spelling of 1063404 in words is "one million, sixty-three thousand, four hundred four".