390300747 has 4 divisors (see below), whose sum is σ = 520401000. Its totient is φ = 260200496.

The previous prime is 390300727. The next prime is 390300749. The reversal of 390300747 is 747003093.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 747003093 = 3 ⋅249001031.

It is a cyclic number.

It is not a de Polignac number, because 390300747 - 2⁶ = 390300683 is a prime.

It is not an unprimeable number, because it can be changed into a prime (390300749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65050122 + ... + 65050127.

It is an arithmetic number, because the mean of its divisors is an integer number (130100250).

Almost surely, 2^390300747 is an apocalyptic number.

390300747 is a deficient number, since it is larger than the sum of its proper divisors (130100253).

390300747 is a wasteful number, since it uses less digits than its factorization.

390300747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130100252.

The product of its (nonzero) digits is 15876, while the sum is 33.

The square root of 390300747 is about 19756.0306488930. The cubic root of 390300747 is about 730.8021126362.

The spelling of 390300747 in words is "three hundred ninety million, three hundred thousand, seven hundred forty-seven".