3440730 has 16 divisors (see below), whose sum is σ = 8257824. Its totient is φ = 917520.

The previous prime is 3440719. The next prime is 3440771. The reversal of 3440730 is 370443.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3440697 and 3440706.

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, 57316 + ... + 57375.

It is an arithmetic number, because the mean of its divisors is an integer number (516114).

Almost surely, 2^3440730 is an apocalyptic number.

3440730 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3440730 is an abundant number, since it is smaller than the sum of its proper divisors (4817094).

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

3440730 is a wasteful number, since it uses less digits than its factorization.

3440730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114701.

The product of its (nonzero) digits is 1008, while the sum is 21.

The square root of 3440730 is about 1854.9204834709. The cubic root of 3440730 is about 150.9675236795.

The spelling of 3440730 in words is "three million, four hundred forty thousand, seven hundred thirty".