1928606 has 4 divisors (see below), whose sum is σ = 2892912. Its totient is φ = 964302.

The previous prime is 1928569. The next prime is 1928621. The reversal of 1928606 is 6068291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6068291 = 107 ⋅56713.

It is a super-2 number, since 2×1928606² = 7439042206472, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482150 + ... + 482153.

It is an arithmetic number, because the mean of its divisors is an integer number (723228).

2^1928606 is an apocalyptic number.

1928606 is a deficient number, since it is larger than the sum of its proper divisors (964306).

1928606 is an equidigital number, since it uses as much as digits as its factorization.

1928606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 964305.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 1928606 is about 1388.7425967399. The cubic root of 1928606 is about 124.4747237709.

The spelling of 1928606 in words is "one million, nine hundred twenty-eight thousand, six hundred six".