387049955 has 8 divisors (see below), whose sum is σ = 471392592. Its totient is φ = 305018208.

The previous prime is 387049951. The next prime is 387049981. The reversal of 387049955 is 559940783.

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

It is a cyclic number.

It is not a de Polignac number, because 387049955 - 2² = 387049951 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (387049951) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577352 + ... + 578021.

It is an arithmetic number, because the mean of its divisors is an integer number (58924074).

Almost surely, 2^387049955 is an apocalyptic number.

387049955 is a deficient number, since it is larger than the sum of its proper divisors (84342637).

387049955 is a wasteful number, since it uses less digits than its factorization.

387049955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1155445.

The product of its (nonzero) digits is 1360800, while the sum is 50.

The square root of 387049955 is about 19673.5852096155. The cubic root of 387049955 is about 728.7675175039.

The spelling of 387049955 in words is "three hundred eighty-seven million, forty-nine thousand, nine hundred fifty-five".