1358406 has 24 divisors (see below), whose sum is σ = 3363984. Its totient is φ = 388080.

The previous prime is 1358393. The next prime is 1358411. The reversal of 1358406 is 6048531.

It is a self number, because there is not a number n which added to its sum of digits gives 1358406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5265 + ... + 5516.

It is an arithmetic number, because the mean of its divisors is an integer number (140166).

2^1358406 is an apocalyptic number.

1358406 is an abundant number, since it is smaller than the sum of its proper divisors (2005578).

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

1358406 is a wasteful number, since it uses less digits than its factorization.

1358406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10796 (or 10793 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 1358406 is about 1165.5067567372. The cubic root of 1358406 is about 110.7498628441.

It can be divided in two parts, 1358 and 406, that added together give a square (1764 = 42²).

The spelling of 1358406 in words is "one million, three hundred fifty-eight thousand, four hundred six".