386240738 has 16 divisors (see below), whose sum is σ = 624286656. Its totient is φ = 178162320.

The previous prime is 386240693. The next prime is 386240747. The reversal of 386240738 is 837042683.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 386240695 and 386240704.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59933 + ... + 66063.

It is an arithmetic number, because the mean of its divisors is an integer number (39017916).

Almost surely, 2^386240738 is an apocalyptic number.

386240738 is a deficient number, since it is larger than the sum of its proper divisors (238045918).

386240738 is a wasteful number, since it uses less digits than its factorization.

386240738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8569.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 386240738 is about 19653.0083702216. The cubic root of 386240738 is about 728.2592777413.

The spelling of 386240738 in words is "three hundred eighty-six million, two hundred forty thousand, seven hundred thirty-eight".