387342958 has 4 divisors (see below), whose sum is σ = 581014440. Its totient is φ = 193671478.

The previous prime is 387342941. The next prime is 387342983. The reversal of 387342958 is 859243783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 859243783 = 19 ⋅45223357.

It is a super-2 number, since 2×387342958² = 300069134224379528, which contains 22 as substring.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96835738 + ... + 96835741.

It is an arithmetic number, because the mean of its divisors is an integer number (145253610).

Almost surely, 2^387342958 is an apocalyptic number.

387342958 is a deficient number, since it is larger than the sum of its proper divisors (193671482).

387342958 is a wasteful number, since it uses less digits than its factorization.

387342958 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 193671481.

The product of its digits is 1451520, while the sum is 49.

The square root of 387342958 is about 19681.0304100166. The cubic root of 387342958 is about 728.9513673375.

The spelling of 387342958 in words is "three hundred eighty-seven million, three hundred forty-two thousand, nine hundred fifty-eight".