1449972 has 18 divisors (see below), whose sum is σ = 3665298. Its totient is φ = 483312.

The previous prime is 1449967. The next prime is 1449977. The reversal of 1449972 is 2799441.

It is an interprime number because it is at equal distance from previous prime (1449967) and next prime (1449977).

It can be written as a sum of positive squares in only one way, i.e., 1425636 + 24336 = 1194^2 + 156^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 40277 = 1449972 / (1 + 4 + 4 + 9 + 9 + 7 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1449977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20103 + ... + 20174.

2^1449972 is an apocalyptic number.

1449972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1449972 is an abundant number, since it is smaller than the sum of its proper divisors (2215326).

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

1449972 is a wasteful number, since it uses less digits than its factorization.

1449972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40287 (or 40282 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 1449972 is about 1204.1478314559. The cubic root of 1449972 is about 113.1843910437.

The spelling of 1449972 in words is "one million, four hundred forty-nine thousand, nine hundred seventy-two".