4148478 has 12 divisors (see below), whose sum is σ = 8988408. Its totient is φ = 1382820.

The previous prime is 4148461. The next prime is 4148483. The reversal of 4148478 is 8748414.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 115218 + ... + 115253.

It is an arithmetic number, because the mean of its divisors is an integer number (749034).

Almost surely, 2^4148478 is an apocalyptic number.

4148478 is an abundant number, since it is smaller than the sum of its proper divisors (4839930).

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

4148478 is a wasteful number, since it uses less digits than its factorization.

4148478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230479 (or 230476 counting only the distinct ones).

The product of its digits is 28672, while the sum is 36.

The square root of 4148478 is about 2036.7812842816. The cubic root of 4148478 is about 160.6804097065.

The spelling of 4148478 in words is "four million, one hundred forty-eight thousand, four hundred seventy-eight".