3494287656 has 48 divisors (see below), whose sum is σ = 9475383060. Its totient is φ = 1163324160.

The previous prime is 3494287637. The next prime is 3494287681. The reversal of 3494287656 is 6567824943.

It can be written as a sum of positive squares in 2 ways, for example, as 3293612100 + 200675556 = 57390^2 + 14166^2 .

It is a super-3 number, since 3×3494287656³ (a number of 30 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29556 + ... + 88668.

Almost surely, 2^3494287656 is an apocalyptic number.

3494287656 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is a pronic number, being equal to 59112×59113.

It is an amenable number.

3494287656 is an abundant number, since it is smaller than the sum of its proper divisors (5981095404).

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

3494287656 is a wasteful number, since it uses less digits than its factorization.

3494287656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59946 (or 59939 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3494287656 is about 59112.4999978854. The cubic root of 3494287656 is about 1517.4680342152.

It can be divided in two parts, 3494287 and 656, that added together give a palindrome (3494943).

The spelling of 3494287656 in words is "three billion, four hundred ninety-four million, two hundred eighty-seven thousand, six hundred fifty-six".