387057043 has 2 divisors, whose sum is σ = 387057044. Its totient is φ = 387057042.

The previous prime is 387057007. The next prime is 387057101. The reversal of 387057043 is 340750783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 387057043 - 2⁹ = 387056531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 387056993 and 387057011.

It is not a weakly prime, because it can be changed into another prime (387057443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 193528521 + 193528522.

It is an arithmetic number, because the mean of its divisors is an integer number (193528522).

Almost surely, 2^387057043 is an apocalyptic number.

387057043 is a deficient number, since it is larger than the sum of its proper divisors (1).

387057043 is an equidigital number, since it uses as much as digits as its factorization.

387057043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 70560, while the sum is 37.

The square root of 387057043 is about 19673.7653488091. The cubic root of 387057043 is about 728.7719660878.

The spelling of 387057043 in words is "three hundred eighty-seven million, fifty-seven thousand, forty-three".