3928834 has 16 divisors (see below), whose sum is σ = 7253568. Its totient is φ = 1554192.

The previous prime is 3928831. The next prime is 3928843. The reversal of 3928834 is 4388293.

3928834 = 361² + 362² + ... + 388².

It is a super-3 number, since 3×3928834³ (a number of 21 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3928793 and 3928802.

It is not an unprimeable number, because it can be changed into a prime (3928831) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10612 + ... + 10975.

It is an arithmetic number, because the mean of its divisors is an integer number (453348).

Almost surely, 2^3928834 is an apocalyptic number.

3928834 is a deficient number, since it is larger than the sum of its proper divisors (3324734).

3928834 is a wasteful number, since it uses less digits than its factorization.

3928834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21609.

The product of its digits is 41472, while the sum is 37.

The square root of 3928834 is about 1982.1286537458. The cubic root of 3928834 is about 157.7930581350.

The spelling of 3928834 in words is "three million, nine hundred twenty-eight thousand, eight hundred thirty-four".