1322490 has 32 divisors (see below), whose sum is σ = 3419136. Its totient is φ = 325440.

The previous prime is 1322483. The next prime is 1322501. The reversal of 1322490 is 942231.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1306 + ... + 2085.

It is an arithmetic number, because the mean of its divisors is an integer number (106848).

2^1322490 is an apocalyptic number.

1322490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1322490 is an abundant number, since it is smaller than the sum of its proper divisors (2096646).

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

1322490 is a wasteful number, since it uses less digits than its factorization.

1322490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3414.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1322490 is about 1149.9956521657. The cubic root of 1322490 is about 109.7650633206.

The spelling of 1322490 in words is "one million, three hundred twenty-two thousand, four hundred ninety".