1408436 has 6 divisors (see below), whose sum is σ = 2464770. Its totient is φ = 704216.

The previous prime is 1408417. The next prime is 1408453. The reversal of 1408436 is 6348041.

It can be written as a sum of positive squares in only one way, i.e., 1196836 + 211600 = 1094^2 + 460^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176051 + ... + 176058.

It is an arithmetic number, because the mean of its divisors is an integer number (410795).

2^1408436 is an apocalyptic number.

It is an amenable number.

1408436 is a deficient number, since it is larger than the sum of its proper divisors (1056334).

1408436 is a wasteful number, since it uses less digits than its factorization.

1408436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 352113 (or 352111 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1408436 is about 1186.7754631774. The cubic root of 1408436 is about 112.0931410583.

The spelling of 1408436 in words is "one million, four hundred eight thousand, four hundred thirty-six".