1024740 has 36 divisors (see below), whose sum is σ = 3108924. Its totient is φ = 273216.

The previous prime is 1024729. The next prime is 1024757. The reversal of 1024740 is 474201.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 236196 + 788544 = 486^2 + 888^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

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 11 ways as a sum of consecutive naturals, for example, 2667 + ... + 3026.

It is an arithmetic number, because the mean of its divisors is an integer number (86359).

2^1024740 is an apocalyptic number.

1024740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1024740 is an abundant number, since it is smaller than the sum of its proper divisors (2084184).

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

1024740 is a wasteful number, since it uses less digits than its factorization.

1024740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5708 (or 5703 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 1024740 is about 1012.2944235745. The cubic root of 1024740 is about 100.8179578739.

Adding to 1024740 its reverse (474201), we get a palindrome (1498941).

It can be divided in two parts, 1024 and 740, that added together give a square (1764 = 42²).

The spelling of 1024740 in words is "one million, twenty-four thousand, seven hundred forty".