3890390467 has 4 divisors (see below), whose sum is σ = 4095147880. Its totient is φ = 3685633056.

The previous prime is 3890390437. The next prime is 3890390489. The reversal of 3890390467 is 7640930983.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3890390467 - 2¹⁹ = 3889866179 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3890390467.

It is not an unprimeable number, because it can be changed into a prime (3890390437) 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, 102378678 + ... + 102378715.

It is an arithmetic number, because the mean of its divisors is an integer number (1023786970).

Almost surely, 2^3890390467 is an apocalyptic number.

3890390467 is a deficient number, since it is larger than the sum of its proper divisors (204757413).

3890390467 is a wasteful number, since it uses less digits than its factorization.

3890390467 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204757412.

The product of its (nonzero) digits is 979776, while the sum is 49.

The square root of 3890390467 is about 62372.9946932164. The cubic root of 3890390467 is about 1572.7670336614.

The spelling of 3890390467 in words is "three billion, eight hundred ninety million, three hundred ninety thousand, four hundred sixty-seven".