1014640 has 40 divisors (see below), whose sum is σ = 2575728. Its totient is φ = 368640.

The previous prime is 1014631. The next prime is 1014641. The reversal of 1014640 is 464101.

1014640 = T₄₂₄ + T₄₂₅ + ... + T₄₃₄.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1014641) 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 7 ways as a sum of consecutive naturals, for example, 304 + ... + 1456.

2^1014640 is an apocalyptic number.

1014640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1014640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1287864).

1014640 is an abundant number, since it is smaller than the sum of its proper divisors (1561088).

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

1014640 is a wasteful number, since it uses less digits than its factorization.

1014640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177 (or 1171 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1014640 is about 1007.2934031354. The cubic root of 1014640 is about 100.4856377420.

Adding to 1014640 its reverse (464101), we get a palindrome (1478741).

The spelling of 1014640 in words is "one million, fourteen thousand, six hundred forty".