387361443 has 16 divisors (see below), whose sum is σ = 591247616. Its totient is φ = 220980960.

The previous prime is 387361427. The next prime is 387361459. The reversal of 387361443 is 344163783.

It is an interprime number because it is at equal distance from previous prime (387361427) and next prime (387361459).

It is not a de Polignac number, because 387361443 - 2⁴ = 387361427 is a prime.

It is the 19682-nd Hogben number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387361463) by changing a digit.

It is a nontrivial repunit in base 19681.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2173 + ... + 27918.

It is an arithmetic number, because the mean of its divisors is an integer number (36952976).

Almost surely, 2^387361443 is an apocalyptic number.

387361443 is a deficient number, since it is larger than the sum of its proper divisors (203886173).

387361443 is a wasteful number, since it uses less digits than its factorization.

387361443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30714.

The product of its digits is 145152, while the sum is 39.

The square root of 387361443 is about 19681.5000190534. The cubic root of 387361443 is about 728.9629629630.

The spelling of 387361443 in words is "three hundred eighty-seven million, three hundred sixty-one thousand, four hundred forty-three".