1034640 has 80 divisors (see below), whose sum is σ = 3571200. Its totient is φ = 275328.

The previous prime is 1034639. The next prime is 1034651. The reversal of 1034640 is 464301.

1034640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1921 + ... + 2399.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2^1034640 is an apocalyptic number.

1034640 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 1034640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1785600).

1034640 is an abundant number, since it is smaller than the sum of its proper divisors (2536560).

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

1034640 is a wasteful number, since it uses less digits than its factorization.

1034640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 489 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1034640 is about 1017.1725517335. The cubic root of 1034640 is about 101.1415849144.

Adding to 1034640 its reverse (464301), we get a palindrome (1498941).

The spelling of 1034640 in words is "one million, thirty-four thousand, six hundred forty".