493640374 has 8 divisors (see below), whose sum is σ = 753010920. Its totient is φ = 242636736.

The previous prime is 493640363. The next prime is 493640383. The reversal of 493640374 is 473046394.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2091579 + ... + 2091814.

It is an arithmetic number, because the mean of its divisors is an integer number (94126365).

Almost surely, 2^493640374 is an apocalyptic number.

493640374 is a deficient number, since it is larger than the sum of its proper divisors (259370546).

493640374 is a wasteful number, since it uses less digits than its factorization.

493640374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4183454.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 493640374 is about 22218.0191286262. The cubic root of 493640374 is about 790.3210648193.

The spelling of 493640374 in words is "four hundred ninety-three million, six hundred forty thousand, three hundred seventy-four".