1449990 has 24 divisors (see below), whose sum is σ = 3770208. Its totient is φ = 386640.

The previous prime is 1449983. The next prime is 1450019. The reversal of 1449990 is 999441.

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, 7966 + ... + 8145.

It is an arithmetic number, because the mean of its divisors is an integer number (157092).

2^1449990 is an apocalyptic number.

1449990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1449990 is an abundant number, since it is smaller than the sum of its proper divisors (2320218).

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

1449990 is a wasteful number, since it uses less digits than its factorization.

1449990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16124 (or 16121 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 1449990 is about 1204.1553055981. The cubic root of 1449990 is about 113.1848594000.

The spelling of 1449990 in words is "one million, four hundred forty-nine thousand, nine hundred ninety".