3490624620 has 288 divisors, whose sum is σ = 12940881408. Its totient is φ = 743417856.

The previous prime is 3490624567. The next prime is 3490624649. The reversal of 3490624620 is 264260943.

3490624620 is a `hidden beast` number, since 3 + 4 + 9 + 0 + 6 + 24 + 620 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2291179 + ... + 2292701.

It is an arithmetic number, because the mean of its divisors is an integer number (44933616).

Almost surely, 2^3490624620 is an apocalyptic number.

3490624620 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3490624620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6470440704).

3490624620 is an abundant number, since it is smaller than the sum of its proper divisors (9450256788).

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

3490624620 is a wasteful number, since it uses less digits than its factorization.

3490624620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1669 (or 1664 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The square root of 3490624620 is about 59081.5082745862. The cubic root of 3490624620 is about 1516.9375986355.

The spelling of 3490624620 in words is "three billion, four hundred ninety million, six hundred twenty-four thousand, six hundred twenty".