1041640 has 16 divisors (see below), whose sum is σ = 2343780. Its totient is φ = 416640.

The previous prime is 1041619. The next prime is 1041643. The reversal of 1041640 is 461401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1004004 + 37636 = 1002^2 + 194^2 .

It is not an unprimeable number, because it can be changed into a prime (1041643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12981 + ... + 13060.

2^1041640 is an apocalyptic number.

1041640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1041640 is an abundant number, since it is smaller than the sum of its proper divisors (1302140).

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

1041640 is a wasteful number, since it uses less digits than its factorization.

1041640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26052 (or 26048 counting only the distinct ones).

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

The square root of 1041640 is about 1020.6076621308. The cubic root of 1041640 is about 101.3691682279.

It can be divided in two parts, 1041 and 640, that added together give a square (1681 = 41²).

The spelling of 1041640 in words is "one million, forty-one thousand, six hundred forty".