1085408 has 24 divisors (see below), whose sum is σ = 2163672. Its totient is φ = 535936.

The previous prime is 1085407. The next prime is 1085419. The reversal of 1085408 is 8045801.

It is a super-2 number, since 2×1085408² = 2356221052928, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085407) 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, 3266 + ... + 3582.

It is an arithmetic number, because the mean of its divisors is an integer number (90153).

2^1085408 is an apocalyptic number.

It is an amenable number.

1085408 is a deficient number, since it is larger than the sum of its proper divisors (1078264).

1085408 is a wasteful number, since it uses less digits than its factorization.

1085408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 26.

The square root of 1085408 is about 1041.8291606593. The cubic root of 1085408 is about 102.7695226765.

Subtracting from 1085408 its product of nonzero digits (1280), we obtain a triangular number (1084128 = T₁₄₇₂).

The spelling of 1085408 in words is "one million, eighty-five thousand, four hundred eight".