387199406 has 8 divisors (see below), whose sum is σ = 633599064. Its totient is φ = 175999720.

The previous prime is 387199381. The next prime is 387199409. The reversal of 387199406 is 604991783.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387199409) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8799965 + ... + 8800008.

It is an arithmetic number, because the mean of its divisors is an integer number (79199883).

Almost surely, 2^387199406 is an apocalyptic number.

387199406 is a deficient number, since it is larger than the sum of its proper divisors (246399658).

387199406 is a wasteful number, since it uses less digits than its factorization.

387199406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17599986.

The product of its (nonzero) digits is 326592, while the sum is 47.

The square root of 387199406 is about 19677.3831085335. The cubic root of 387199406 is about 728.8613047248.

The spelling of 387199406 in words is "three hundred eighty-seven million, one hundred ninety-nine thousand, four hundred six".