6928390 has 32 divisors (see below), whose sum is σ = 14748480. Its totient is φ = 2292864.

The previous prime is 6928349. The next prime is 6928409. The reversal of 6928390 is 938296.

6928390 = T₂₄₂ + T₂₄₃ + ... + T₃₈₁.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324 + ... + 3736.

It is an arithmetic number, because the mean of its divisors is an integer number (460890).

Almost surely, 2^6928390 is an apocalyptic number.

6928390 is an abundant number, since it is smaller than the sum of its proper divisors (7820090).

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

6928390 is a wasteful number, since it uses less digits than its factorization.

6928390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3456.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 6928390 is about 2632.1835042413. The cubic root of 6928390 is about 190.6385716397.

The spelling of 6928390 in words is "six million, nine hundred twenty-eight thousand, three hundred ninety".