3506691960 has 64 divisors (see below), whose sum is σ = 11688976800. Its totient is φ = 935117568.

The previous prime is 3506691943. The next prime is 3506691961. The reversal of 3506691960 is 691966053.

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 (3506691961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1622389 + ... + 1624548.

Almost surely, 2^3506691960 is an apocalyptic number.

3506691960 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3506691960 is an abundant number, since it is smaller than the sum of its proper divisors (8182284840).

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

3506691960 is a wasteful number, since it uses less digits than its factorization.

3506691960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3246957 (or 3246947 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 45.

The square root of 3506691960 is about 59217.3282072064. The cubic root of 3506691960 is about 1519.2615237794.

The spelling of 3506691960 in words is "three billion, five hundred six million, six hundred ninety-one thousand, nine hundred sixty".