3455040 has 112 divisors (see below), whose sum is σ = 11338560. Its totient is φ = 890880.

The previous prime is 3455033. The next prime is 3455051. The reversal of 3455040 is 405543.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 3454998 and 3455016.

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, 56610 + ... + 56670.

Almost surely, 2^3455040 is an apocalyptic number.

3455040 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 3455040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5669280).

3455040 is an abundant number, since it is smaller than the sum of its proper divisors (7883520).

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

3455040 is a wasteful number, since it uses less digits than its factorization.

3455040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140 (or 130 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 3455040 is about 1858.7737893568. The cubic root of 3455040 is about 151.1765255682.

The spelling of 3455040 in words is "three million, four hundred fifty-five thousand, forty".