3506780284 has 24 divisors (see below), whose sum is σ = 7318499328. Its totient is φ = 1437561840.

The previous prime is 3506780273. The next prime is 3506780327. The reversal of 3506780284 is 4820876053.

It is a super-2 number, since 2×3506780284² = 24595015920502241312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3506780284.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2722012 + ... + 2723299.

It is an arithmetic number, because the mean of its divisors is an integer number (304937472).

Almost surely, 2^3506780284 is an apocalyptic number.

It is an amenable number.

3506780284 is an abundant number, since it is smaller than the sum of its proper divisors (3811719044).

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

3506780284 is a wasteful number, since it uses less digits than its factorization.

3506780284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5445345 (or 5445343 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 43.

The square root of 3506780284 is about 59218.0739639512. The cubic root of 3506780284 is about 1519.2742790228.

The spelling of 3506780284 in words is "three billion, five hundred six million, seven hundred eighty thousand, two hundred eighty-four".