1440274 has 16 divisors (see below), whose sum is σ = 2496096. Its totient is φ = 616000.

The previous prime is 1440269. The next prime is 1440293. The reversal of 1440274 is 4720441.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1552 + ... + 2299.

It is an arithmetic number, because the mean of its divisors is an integer number (156006).

2^1440274 is an apocalyptic number.

1440274 is a deficient number, since it is larger than the sum of its proper divisors (1055822).

1440274 is a wasteful number, since it uses less digits than its factorization.

1440274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3881.

The product of its (nonzero) digits is 896, while the sum is 22.

The square root of 1440274 is about 1200.1141612363. The cubic root of 1440274 is about 112.9314853413.

The spelling of 1440274 in words is "one million, four hundred forty thousand, two hundred seventy-four".