1928634 has 16 divisors (see below), whose sum is σ = 3982080. Its totient is φ = 622080.

The previous prime is 1928629. The next prime is 1928653. The reversal of 1928634 is 4368291.

It is a junction number, because it is equal to n+sod(n) for n = 1928595 and 1928604.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4999 + ... + 5370.

It is an arithmetic number, because the mean of its divisors is an integer number (248880).

2^1928634 is an apocalyptic number.

1928634 is an abundant number, since it is smaller than the sum of its proper divisors (2053446).

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

1928634 is a wasteful number, since it uses less digits than its factorization.

1928634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10405.

The product of its digits is 10368, while the sum is 33.

The square root of 1928634 is about 1388.7526777652. The cubic root of 1928634 is about 124.4753261534.

The spelling of 1928634 in words is "one million, nine hundred twenty-eight thousand, six hundred thirty-four".