248906478 has 32 divisors (see below), whose sum is σ = 520797600. Its totient is φ = 79202816.

The previous prime is 248906477. The next prime is 248906491. The reversal of 248906478 is 874609842.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248906477) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7450 + ... + 23522.

It is an arithmetic number, because the mean of its divisors is an integer number (16274925).

Almost surely, 2^248906478 is an apocalyptic number.

248906478 is an abundant number, since it is smaller than the sum of its proper divisors (271891122).

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

248906478 is a wasteful number, since it uses less digits than its factorization.

248906478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16196.

The product of its (nonzero) digits is 774144, while the sum is 48.

The square root of 248906478 is about 15776.7702017872. The cubic root of 248906478 is about 629.0406815581.

The spelling of 248906478 in words is "two hundred forty-eight million, nine hundred six thousand, four hundred seventy-eight".