390012629 has 4 divisors (see below), whose sum is σ = 390467520. Its totient is φ = 389557740.

The previous prime is 390012617. The next prime is 390012659. The reversal of 390012629 is 926210093.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 926210093 = 103 ⋅8992331.

It is a cyclic number.

It is not a de Polignac number, because 390012629 - 2¹² = 390008533 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 390012595 and 390012604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (390012659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226157 + ... + 227874.

It is an arithmetic number, because the mean of its divisors is an integer number (97616880).

Almost surely, 2^390012629 is an apocalyptic number.

It is an amenable number.

390012629 is a deficient number, since it is larger than the sum of its proper divisors (454891).

390012629 is an equidigital number, since it uses as much as digits as its factorization.

390012629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454890.

The product of its (nonzero) digits is 5832, while the sum is 32.

The square root of 390012629 is about 19748.7374026797. The cubic root of 390012629 is about 730.6222435850.

The spelling of 390012629 in words is "three hundred ninety million, twelve thousand, six hundred twenty-nine".