387741405 has 16 divisors (see below), whose sum is σ = 627359040. Its totient is φ = 204471168.

The previous prime is 387741391. The next prime is 387741467. The reversal of 387741405 is 504147783.

It is not a de Polignac number, because 387741405 - 2⁹ = 387740893 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143887 + ... + 146556.

It is an arithmetic number, because the mean of its divisors is an integer number (39209940).

Almost surely, 2^387741405 is an apocalyptic number.

It is an amenable number.

387741405 is a deficient number, since it is larger than the sum of its proper divisors (239617635).

387741405 is a wasteful number, since it uses less digits than its factorization.

387741405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290540.

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 387741405 is about 19691.1504234770. The cubic root of 387741405 is about 729.2012311379.

The spelling of 387741405 in words is "three hundred eighty-seven million, seven hundred forty-one thousand, four hundred five".