1076640 has 48 divisors (see below), whose sum is σ = 3392928. Its totient is φ = 286976.

The previous prime is 1076639. The next prime is 1076651. The reversal of 1076640 is 466701.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1076640.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642 + ... + 1601.

It is an arithmetic number, because the mean of its divisors is an integer number (70686).

2^1076640 is an apocalyptic number.

1076640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1076640 is an abundant number, since it is smaller than the sum of its proper divisors (2316288).

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

1076640 is a wasteful number, since it uses less digits than its factorization.

1076640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2261 (or 2253 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 1076640 is about 1037.6126444873. The cubic root of 1076640 is about 102.4920477670.

The spelling of 1076640 in words is "one million, seventy-six thousand, six hundred forty".