3061240 has 96 divisors (see below), whose sum is σ = 8779680. Its totient is φ = 935424.

The previous prime is 3061237. The next prime is 3061243. The reversal of 3061240 is 421603.

It is an interprime number because it is at equal distance from previous prime (3061237) and next prime (3061243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3061243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105546 + ... + 105574.

It is an arithmetic number, because the mean of its divisors is an integer number (91455).

Almost surely, 2^3061240 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3061240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4389840).

3061240 is an abundant number, since it is smaller than the sum of its proper divisors (5718440).

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

3061240 is a wasteful number, since it uses less digits than its factorization.

3061240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89 (or 56 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 3061240 is about 1749.6399629638. The cubic root of 3061240 is about 145.1997247704.

Adding to 3061240 its reverse (421603), we get a palindrome (3482843).

The spelling of 3061240 in words is "three million, sixty-one thousand, two hundred forty".