387050243 has 4 divisors (see below), whose sum is σ = 388427928. Its totient is φ = 385672560.

The previous prime is 387050239. The next prime is 387050249. The reversal of 387050243 is 342050783.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 342050783 = 139 ⋅2460797.

It is a cyclic number.

It is not a de Polignac number, because 387050243 - 2² = 387050239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387050249) 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, 688421 + ... + 688982.

It is an arithmetic number, because the mean of its divisors is an integer number (97106982).

Almost surely, 2^387050243 is an apocalyptic number.

387050243 is a deficient number, since it is larger than the sum of its proper divisors (1377685).

387050243 is a wasteful number, since it uses less digits than its factorization.

387050243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377684.

The product of its (nonzero) digits is 20160, while the sum is 32.

The square root of 387050243 is about 19673.5925290731. The cubic root of 387050243 is about 728.7676982600.

The spelling of 387050243 in words is "three hundred eighty-seven million, fifty thousand, two hundred forty-three".