3478820438 has 8 divisors (see below), whose sum is σ = 5359264032. Its totient is φ = 1692399096.

The previous prime is 3478820437. The next prime is 3478820453. The reversal of 3478820438 is 8340288743.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3478820392 and 3478820401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3478820437) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23505470 + ... + 23505617.

It is an arithmetic number, because the mean of its divisors is an integer number (669908004).

Almost surely, 2^3478820438 is an apocalyptic number.

3478820438 is a deficient number, since it is larger than the sum of its proper divisors (1880443594).

3478820438 is a wasteful number, since it uses less digits than its factorization.

3478820438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47011126.

The product of its (nonzero) digits is 1032192, while the sum is 47.

The square root of 3478820438 is about 58981.5262433925. The cubic root of 3478820438 is about 1515.2257340630.

The spelling of 3478820438 in words is "three billion, four hundred seventy-eight million, eight hundred twenty thousand, four hundred thirty-eight".