3449420 has 24 divisors (see below), whose sum is σ = 7801584. Its totient is φ = 1273536.

The previous prime is 3449389. The next prime is 3449423. The reversal of 3449420 is 249443.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a self number, because there is not a number n which added to its sum of digits gives 3449420.

It is not an unprimeable number, because it can be changed into a prime (3449423) 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, 6374 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (325066).

Almost surely, 2^3449420 is an apocalyptic number.

It is an amenable number.

3449420 is an abundant number, since it is smaller than the sum of its proper divisors (4352164).

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

3449420 is a wasteful number, since it uses less digits than its factorization.

3449420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13289 (or 13287 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 3449420 is about 1857.2614247865. The cubic root of 3449420 is about 151.0945127065.

The spelling of 3449420 in words is "three million, four hundred forty-nine thousand, four hundred twenty".