3050640 has 120 divisors (see below), whose sum is σ = 10832640. Its totient is φ = 767232.

The previous prime is 3050603. The next prime is 3050681. The reversal of 3050640 is 460503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13569 + ... + 13791.

It is an arithmetic number, because the mean of its divisors is an integer number (90272).

Almost surely, 2^3050640 is an apocalyptic number.

3050640 is a gapful number since it is divisible by the number (30) 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 3050640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5416320).

3050640 is an abundant number, since it is smaller than the sum of its proper divisors (7782000).

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

3050640 is a wasteful number, since it uses less digits than its factorization.

3050640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261 (or 252 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 3050640 is about 1746.6081415131. The cubic root of 3050640 is about 145.0319390602.

The spelling of 3050640 in words is "three million, fifty thousand, six hundred forty".