3097440 has 120 divisors (see below), whose sum is σ = 10977120. Its totient is φ = 822528.

The previous prime is 3097439. The next prime is 3097469. The reversal of 3097440 is 447903.

3097440 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

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 (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 12841 + ... + 13079.

It is an arithmetic number, because the mean of its divisors is an integer number (91476).

Almost surely, 2^3097440 is an apocalyptic number.

3097440 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 3097440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5488560).

3097440 is an abundant number, since it is smaller than the sum of its proper divisors (7879680).

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

3097440 is a wasteful number, since it uses less digits than its factorization.

3097440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 3097440 is about 1759.9545448676. The cubic root of 3097440 is about 145.7698255902.

The spelling of 3097440 in words is "three million, ninety-seven thousand, four hundred forty".