3846784645 has 16 divisors (see below), whose sum is σ = 5069151360. Its totient is φ = 2779128000.

The previous prime is 3846784639. The next prime is 3846784651. The reversal of 3846784645 is 5464876483.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3846784639) and next prime (3846784651).

It is not a de Polignac number, because 3846784645 - 2³¹ = 1699300997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223290 + ... + 239899.

It is an arithmetic number, because the mean of its divisors is an integer number (316821960).

Almost surely, 2^3846784645 is an apocalyptic number.

It is an amenable number.

3846784645 is a deficient number, since it is larger than the sum of its proper divisors (1222366715).

3846784645 is a wasteful number, since it uses less digits than its factorization.

3846784645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463356.

The product of its digits is 15482880, while the sum is 55.

The square root of 3846784645 is about 62022.4527489844. The cubic root of 3846784645 is about 1566.8687703407.

The spelling of 3846784645 in words is "three billion, eight hundred forty-six million, seven hundred eighty-four thousand, six hundred forty-five".