1906354 has 8 divisors (see below), whose sum is σ = 2867868. Its totient is φ = 950400.

The previous prime is 1906343. The next prime is 1906361. The reversal of 1906354 is 4536091.

It can be written as a sum of positive squares in 2 ways, for example, as 1750329 + 156025 = 1323^2 + 395^2 .

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

It is a super-4 number, since 4×1906354⁴ (a number of 26 digits) contains 4444 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387 + ... + 1990.

2^1906354 is an apocalyptic number.

1906354 is a deficient number, since it is larger than the sum of its proper divisors (961514).

1906354 is a wasteful number, since it uses less digits than its factorization.

1906354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2780.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 1906354 is about 1380.7077895051. The cubic root of 1906354 is about 123.9941464458.

The spelling of 1906354 in words is "one million, nine hundred six thousand, three hundred fifty-four".