1406490 has 32 divisors (see below), whose sum is σ = 3407616. Its totient is φ = 371520.

The previous prime is 1406479. The next prime is 1406497. The reversal of 1406490 is 946041.

It is a super-3 number, since 3×1406490³ = 8347015133338347000, which contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1406490.

It is not an unprimeable number, because it can be changed into a prime (1406497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5055 + ... + 5325.

It is an arithmetic number, because the mean of its divisors is an integer number (106488).

2^1406490 is an apocalyptic number.

1406490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406490 is an abundant number, since it is smaller than the sum of its proper divisors (2001126).

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

1406490 is a wasteful number, since it uses less digits than its factorization.

1406490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 1406490 is about 1185.9553111311. The cubic root of 1406490 is about 112.0414918548.

The spelling of 1406490 in words is "one million, four hundred six thousand, four hundred ninety".