461378738 has 8 divisors (see below), whose sum is σ = 692911488. Its totient is φ = 230408244.

The previous prime is 461378737. The next prime is 461378747. The reversal of 461378738 is 837873164.

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

It is a junction number, because it is equal to n+sod(n) for n = 461378692 and 461378701.

It is not an unprimeable number, because it can be changed into a prime (461378737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138506 + ... + 141797.

It is an arithmetic number, because the mean of its divisors is an integer number (86613936).

Almost surely, 2^461378738 is an apocalyptic number.

461378738 is a deficient number, since it is larger than the sum of its proper divisors (231532750).

461378738 is a wasteful number, since it uses less digits than its factorization.

461378738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281128.

The product of its digits is 677376, while the sum is 47.

The square root of 461378738 is about 21479.7285364597. The cubic root of 461378738 is about 772.7147320091.

The spelling of 461378738 in words is "four hundred sixty-one million, three hundred seventy-eight thousand, seven hundred thirty-eight".