3478923756 has 270 divisors, whose sum is σ = 11635045884. Its totient is φ = 903117600.

The previous prime is 3478923751. The next prime is 3478923823. The reversal of 3478923756 is 6573298743.

3478923756 is a `hidden beast` number, since 3 + 478 + 92 + 37 + 56 = 666.

It is a super-2 number, since 2×3478923756² = 24205821000122295072, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3478923751) by changing a digit.

It is a polite number, since it can be written in 89 ways as a sum of consecutive naturals, for example, 1920091 + ... + 1921901.

Almost surely, 2^3478923756 is an apocalyptic number.

3478923756 is a gapful number since it is divisible by the number (36) 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 3478923756, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5817522942).

3478923756 is an abundant number, since it is smaller than the sum of its proper divisors (8156122128).

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

3478923756 is a wasteful number, since it uses less digits than its factorization.

3478923756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863 (or 1834 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 54.

The square root of 3478923756 is about 58982.4020874023. The cubic root of 3478923756 is about 1515.2407342185.

The spelling of 3478923756 in words is "three billion, four hundred seventy-eight million, nine hundred twenty-three thousand, seven hundred fifty-six".