1908434 has 16 divisors (see below), whose sum is σ = 3144960. Its totient is φ = 861360.

The previous prime is 1908433. The next prime is 1908443. The reversal of 1908434 is 4348091.

It is a junction number, because it is equal to n+sod(n) for n = 1908397 and 1908406.

It is not an unprimeable number, because it can be changed into a prime (1908433) 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, 4712 + ... + 5100.

It is an arithmetic number, because the mean of its divisors is an integer number (196560).

2^1908434 is an apocalyptic number.

1908434 is a deficient number, since it is larger than the sum of its proper divisors (1236526).

1908434 is a wasteful number, since it uses less digits than its factorization.

1908434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 625.

The product of its (nonzero) digits is 3456, while the sum is 29.

The square root of 1908434 is about 1381.4608210152. The cubic root of 1908434 is about 124.0392262301.

The spelling of 1908434 in words is "one million, nine hundred eight thousand, four hundred thirty-four".