3448920 has 64 divisors (see below), whose sum is σ = 10614240. Its totient is φ = 896000.

The previous prime is 3448897. The next prime is 3448933. The reversal of 3448920 is 298443.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 4570 + ... + 5270.

Almost surely, 2^3448920 is an apocalyptic number.

3448920 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 3448920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5307120).

3448920 is an abundant number, since it is smaller than the sum of its proper divisors (7165320).

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

3448920 is a wasteful number, since it uses less digits than its factorization.

3448920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 3448920 is about 1857.1268131175. The cubic root of 3448920 is about 151.0872118746.

The spelling of 3448920 in words is "three million, four hundred forty-eight thousand, nine hundred twenty".