3480720 has 40 divisors (see below), whose sum is σ = 10790976. Its totient is φ = 928128.

The previous prime is 3480703. The next prime is 3480727. The reversal of 3480720 is 270843.

It is a tau number, because it is divible by the number of its divisors (40).

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

It is not an unprimeable number, because it can be changed into a prime (3480727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7012 + ... + 7491.

Almost surely, 2^3480720 is an apocalyptic number.

3480720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3480720 is an abundant number, since it is smaller than the sum of its proper divisors (7310256).

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

3480720 is a wasteful number, since it uses less digits than its factorization.

3480720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14519 (or 14513 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 3480720 is about 1865.6687808933. The cubic root of 3480720 is about 151.5501473264.

The spelling of 3480720 in words is "three million, four hundred eighty thousand, seven hundred twenty".