48378421 has 8 divisors (see below), whose sum is σ = 59542784. Its totient is φ = 38277360.

The previous prime is 48378419. The next prime is 48378433. The reversal of 48378421 is 12487384.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 48378421 - 2¹ = 48378419 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48378461) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265725 + ... + 265906.

It is an arithmetic number, because the mean of its divisors is an integer number (7442848).

Almost surely, 2^48378421 is an apocalyptic number.

It is an amenable number.

48378421 is a deficient number, since it is larger than the sum of its proper divisors (11164363).

48378421 is a wasteful number, since it uses less digits than its factorization.

48378421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531651.

The product of its digits is 43008, while the sum is 37.

The square root of 48378421 is about 6955.4597978854. The cubic root of 48378421 is about 364.3766705230.

The spelling of 48378421 in words is "forty-eight million, three hundred seventy-eight thousand, four hundred twenty-one".