387494043 has 4 divisors (see below), whose sum is σ = 516658728. Its totient is φ = 258329360.

The previous prime is 387494033. The next prime is 387494059. The reversal of 387494043 is 340494783.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 387494043 - 2⁶ = 387493979 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387493986 and 387494004.

It is not an unprimeable number, because it can be changed into a prime (387494033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64582338 + ... + 64582343.

It is an arithmetic number, because the mean of its divisors is an integer number (129164682).

Almost surely, 2^387494043 is an apocalyptic number.

387494043 is a deficient number, since it is larger than the sum of its proper divisors (129164685).

387494043 is a wasteful number, since it uses less digits than its factorization.

387494043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129164684.

The product of its (nonzero) digits is 290304, while the sum is 42.

The square root of 387494043 is about 19684.8683764967. The cubic root of 387494043 is about 729.0461320232.

The spelling of 387494043 in words is "three hundred eighty-seven million, four hundred ninety-four thousand, forty-three".