3506424894 has 48 divisors (see below), whose sum is σ = 8703932640. Its totient is φ = 999371520.

The previous prime is 3506424881. The next prime is 3506424899. The reversal of 3506424894 is 4984246053.

It is a super-2 number, since 2×3506424894² = 24590031074525822472, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3506424899) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17514 + ... + 85554.

It is an arithmetic number, because the mean of its divisors is an integer number (181331930).

Almost surely, 2^3506424894 is an apocalyptic number.

3506424894 is an abundant number, since it is smaller than the sum of its proper divisors (5197507746).

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

3506424894 is a wasteful number, since it uses less digits than its factorization.

3506424894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68465 (or 68462 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

The square root of 3506424894 is about 59215.0731993130. The cubic root of 3506424894 is about 1519.2229543429. Note that the first 3 decimals are identical.

The spelling of 3506424894 in words is "three billion, five hundred six million, four hundred twenty-four thousand, eight hundred ninety-four".