1408490 has 16 divisors (see below), whose sum is σ = 2577960. Its totient is φ = 553920.

The previous prime is 1408453. The next prime is 1408493. The reversal of 1408490 is 948041.

It can be written as a sum of positive squares in 4 ways, for example, as 982081 + 426409 = 991^2 + 653^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1408493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 545 + ... + 1764.

2^1408490 is an apocalyptic number.

1408490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1408490 is a deficient number, since it is larger than the sum of its proper divisors (1169470).

1408490 is a wasteful number, since it uses less digits than its factorization.

1408490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1408490 is about 1186.7982136825. The cubic root of 1408490 is about 112.0945736053.

The spelling of 1408490 in words is "one million, four hundred eight thousand, four hundred ninety".