1928901 has 8 divisors (see below), whose sum is σ = 2769760. Its totient is φ = 1186992.

The previous prime is 1928873. The next prime is 1928929. The reversal of 1928901 is 1098291.

It is an interprime number because it is at equal distance from previous prime (1928873) and next prime (1928929).

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

It is not a de Polignac number, because 1928901 - 2⁵ = 1928869 is a prime.

It is a Duffinian number.

It is a Curzon number.

1928901 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1928951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24691 + ... + 24768.

It is an arithmetic number, because the mean of its divisors is an integer number (346220).

2^1928901 is an apocalyptic number.

It is an amenable number.

1928901 is a deficient number, since it is larger than the sum of its proper divisors (840859).

1928901 is a wasteful number, since it uses less digits than its factorization.

1928901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49475.

The product of its (nonzero) digits is 1296, while the sum is 30.

The square root of 1928901 is about 1388.8488038660. The cubic root of 1928901 is about 124.4810700078.

It can be divided in two parts, 19 and 28901, that added together give a triangular number (28920 = T₂₄₀).

The spelling of 1928901 in words is "one million, nine hundred twenty-eight thousand, nine hundred one".