1314440 has 32 divisors (see below), whose sum is σ = 3133080. Its totient is φ = 494592.

The previous prime is 1314437. The next prime is 1314451. The reversal of 1314440 is 444131.

It can be written as a sum of positive squares in 4 ways, for example, as 1249924 + 64516 = 1118^2 + 254^2 .

It is a Harshad number since it is a multiple of its sum of digits (17).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 287 + ... + 1646.

2^1314440 is an apocalyptic number.

1314440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1314440 is an abundant number, since it is smaller than the sum of its proper divisors (1818640).

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

1314440 is a wasteful number, since it uses less digits than its factorization.

1314440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1961 (or 1957 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1314440 is about 1146.4902965137. The cubic root of 1314440 is about 109.5418964938.

Adding to 1314440 its reverse (444131), we get a palindrome (1758571).

The spelling of 1314440 in words is "one million, three hundred fourteen thousand, four hundred forty".