3478455 has 24 divisors (see below), whose sum is σ = 6385392. Its totient is φ = 1745664.

The previous prime is 3478427. The next prime is 3478459. The reversal of 3478455 is 5548743.

It is not a de Polignac number, because 3478455 - 2⁷ = 3478327 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1509 + ... + 3038.

It is an arithmetic number, because the mean of its divisors is an integer number (266058).

Almost surely, 2^3478455 is an apocalyptic number.

3478455 is a deficient number, since it is larger than the sum of its proper divisors (2906937).

3478455 is a wasteful number, since it uses less digits than its factorization.

3478455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4575 (or 4572 counting only the distinct ones).

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

The square root of 3478455 is about 1865.0616611791. The cubic root of 3478455 is about 151.5172675805.

The spelling of 3478455 in words is "three million, four hundred seventy-eight thousand, four hundred fifty-five".