1406424 has 16 divisors (see below), whose sum is σ = 3516120. Its totient is φ = 468800.

The previous prime is 1406417. The next prime is 1406429. The reversal of 1406424 is 4246041.

It is a zygodrome in base 5.

It is a self number, because there is not a number n which added to its sum of digits gives 1406424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406429) 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, 29277 + ... + 29324.

2^1406424 is an apocalyptic number.

It is an amenable number.

1406424 is an abundant number, since it is smaller than the sum of its proper divisors (2109696).

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

1406424 is a wasteful number, since it uses less digits than its factorization.

1406424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58610 (or 58606 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1406424 is about 1185.9274851356. The cubic root of 1406424 is about 112.0397392996.

It can be divided in two parts, 1406 and 424, that added together give a triangular number (1830 = T₆₀).

The spelling of 1406424 in words is "one million, four hundred six thousand, four hundred twenty-four".