390628041 has 4 divisors (see below), whose sum is σ = 520837392. Its totient is φ = 260418692.

The previous prime is 390628027. The next prime is 390628103. The reversal of 390628041 is 140826093.

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: 140826093 = 3 ⋅46942031.

It is a cyclic number.

It is not a de Polignac number, because 390628041 - 2⁶ = 390627977 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 390627993 and 390628011.

It is not an unprimeable number, because it can be changed into a prime (390628001) 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, 65104671 + ... + 65104676.

It is an arithmetic number, because the mean of its divisors is an integer number (130209348).

Almost surely, 2^390628041 is an apocalyptic number.

It is an amenable number.

390628041 is a deficient number, since it is larger than the sum of its proper divisors (130209351).

390628041 is a wasteful number, since it uses less digits than its factorization.

390628041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130209350.

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 390628041 is about 19764.3123077936. The cubic root of 390628041 is about 731.0063314951.

The spelling of 390628041 in words is "three hundred ninety million, six hundred twenty-eight thousand, forty-one".