421148377 has 8 divisors (see below), whose sum is σ = 473264064. Its totient is φ = 371849808.

The previous prime is 421148339. The next prime is 421148381. The reversal of 421148377 is 773841124.

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 421148377 - 2¹⁵ = 421115609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (421148477) 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, 703963 + ... + 704560.

It is an arithmetic number, because the mean of its divisors is an integer number (59158008).

Almost surely, 2^421148377 is an apocalyptic number.

It is an amenable number.

421148377 is a deficient number, since it is larger than the sum of its proper divisors (52115687).

421148377 is a wasteful number, since it uses less digits than its factorization.

421148377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1408559.

The product of its digits is 37632, while the sum is 37.

The square root of 421148377 is about 20521.8999364094. The cubic root of 421148377 is about 749.5691611438.

The spelling of 421148377 in words is "four hundred twenty-one million, one hundred forty-eight thousand, three hundred seventy-seven".