387564146 has 8 divisors (see below), whose sum is σ = 583492224. Its totient is φ = 193066740.

The previous prime is 387564131. The next prime is 387564161. The reversal of 387564146 is 641465783.

It is an interprime number because it is at equal distance from previous prime (387564131) and next prime (387564161).

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 = 387564097 and 387564106.

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, 356990 + ... + 358073.

It is an arithmetic number, because the mean of its divisors is an integer number (72936528).

Almost surely, 2^387564146 is an apocalyptic number.

387564146 is a deficient number, since it is larger than the sum of its proper divisors (195928078).

387564146 is a wasteful number, since it uses less digits than its factorization.

387564146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715336.

The product of its digits is 483840, while the sum is 44.

The square root of 387564146 is about 19686.6489276362. The cubic root of 387564146 is about 729.0900941951.

The spelling of 387564146 in words is "three hundred eighty-seven million, five hundred sixty-four thousand, one hundred forty-six".