3455478 has 24 divisors (see below), whose sum is σ = 8063328. Its totient is φ = 1063152.

The previous prime is 3455447. The next prime is 3455479. The reversal of 3455478 is 8745543.

3455478 is a `hidden beast` number, since 34 + 554 + 78 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3455479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7150 + ... + 7617.

It is an arithmetic number, because the mean of its divisors is an integer number (335972).

Almost surely, 2^3455478 is an apocalyptic number.

3455478 is an abundant number, since it is smaller than the sum of its proper divisors (4607850).

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

3455478 is a wasteful number, since it uses less digits than its factorization.

3455478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14788 (or 14785 counting only the distinct ones).

The product of its digits is 67200, while the sum is 36.

The square root of 3455478 is about 1858.8916052315. The cubic root of 3455478 is about 151.1829135811.

The spelling of 3455478 in words is "three million, four hundred fifty-five thousand, four hundred seventy-eight".