3835505172 has 12 divisors (see below), whose sum is σ = 8949512096. Its totient is φ = 1278501720.

The previous prime is 3835505161. The next prime is 3835505173. The reversal of 3835505172 is 2715055383.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3835505172² = 29422199848877499168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3835505172.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3835505173) 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, 159812704 + ... + 159812727.

Almost surely, 2^3835505172 is an apocalyptic number.

It is an amenable number.

3835505172 is an abundant number, since it is smaller than the sum of its proper divisors (5114006924).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3835505172 is a wasteful number, since it uses less digits than its factorization.

3835505172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 319625438 (or 319625436 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 39.

The square root of 3835505172 is about 61931.4554325990. The cubic root of 3835505172 is about 1565.3358228928.

The spelling of 3835505172 in words is "three billion, eight hundred thirty-five million, five hundred five thousand, one hundred seventy-two".