3850744815 has 48 divisors (see below), whose sum is σ = 6840785952. Its totient is φ = 2002758912.

The previous prime is 3850744811. The next prime is 3850744823. The reversal of 3850744815 is 5184470583.

It is not a de Polignac number, because 3850744815 - 2² = 3850744811 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3850744811) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1649389 + ... + 1651721.

It is an arithmetic number, because the mean of its divisors is an integer number (142516374).

Almost surely, 2^3850744815 is an apocalyptic number.

3850744815 is a deficient number, since it is larger than the sum of its proper divisors (2990041137).

3850744815 is a wasteful number, since it uses less digits than its factorization.

3850744815 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3240 (or 3237 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The square root of 3850744815 is about 62054.3698300128. The cubic root of 3850744815 is about 1567.4062701981.

The spelling of 3850744815 in words is "three billion, eight hundred fifty million, seven hundred forty-four thousand, eight hundred fifteen".