3449740 has 48 divisors (see below), whose sum is σ = 8495424. Its totient is φ = 1152000.

The previous prime is 3449737. The next prime is 3449767. The reversal of 3449740 is 479443.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5440 + ... + 6040.

It is an arithmetic number, because the mean of its divisors is an integer number (176988).

Almost surely, 2^3449740 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 3449740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4247712).

3449740 is an abundant number, since it is smaller than the sum of its proper divisors (5045684).

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

3449740 is a wasteful number, since it uses less digits than its factorization.

3449740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 3449740 is about 1857.3475711347. The cubic root of 3449740 is about 151.0991848687.

The spelling of 3449740 in words is "three million, four hundred forty-nine thousand, seven hundred forty".