1446140 has 12 divisors (see below), whose sum is σ = 3036936. Its totient is φ = 578448.

The previous prime is 1446131. The next prime is 1446167. The reversal of 1446140 is 416441.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 72307 = 1446140 / (1 + 4 + 4 + 6 + 1 + 4 + 0).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36134 + ... + 36173.

It is an arithmetic number, because the mean of its divisors is an integer number (253078).

2^1446140 is an apocalyptic number.

1446140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1446140 is an abundant number, since it is smaller than the sum of its proper divisors (1590796).

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

1446140 is a wasteful number, since it uses less digits than its factorization.

1446140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72316 (or 72314 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 1446140 is about 1202.5556120197. Note that the first 3 decimals coincide. The cubic root of 1446140 is about 113.0845948107.

The spelling of 1446140 in words is "one million, four hundred forty-six thousand, one hundred forty".