387740546 has 8 divisors (see below), whose sum is σ = 595136784. Its totient is φ = 189361620.

The previous prime is 387740489. The next prime is 387740557. The reversal of 387740546 is 645047783.

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

It is a junction number, because it is equal to n+sod(n) for n = 387740497 and 387740506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2254220 + ... + 2254391.

It is an arithmetic number, because the mean of its divisors is an integer number (74392098).

Almost surely, 2^387740546 is an apocalyptic number.

387740546 is a deficient number, since it is larger than the sum of its proper divisors (207396238).

387740546 is a wasteful number, since it uses less digits than its factorization.

387740546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4508656.

The product of its (nonzero) digits is 564480, while the sum is 44.

The square root of 387740546 is about 19691.1286116363. The cubic root of 387740546 is about 729.2006926482.

The spelling of 387740546 in words is "three hundred eighty-seven million, seven hundred forty thousand, five hundred forty-six".