1449020 has 24 divisors (see below), whose sum is σ = 3102624. Its totient is φ = 568256.

The previous prime is 1449017. The next prime is 1449061. The reversal of 1449020 is 209441.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1448983 and 1449001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 377 + ... + 1743.

It is an arithmetic number, because the mean of its divisors is an integer number (129276).

2^1449020 is an apocalyptic number.

1449020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1449020 is an abundant number, since it is smaller than the sum of its proper divisors (1653604).

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

1449020 is a wasteful number, since it uses less digits than its factorization.

1449020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429 (or 1427 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1449020 is about 1203.7524662488. The cubic root of 1449020 is about 113.1596146731.

The spelling of 1449020 in words is "one million, four hundred forty-nine thousand, twenty".