1649134 has 8 divisors (see below), whose sum is σ = 2479320. Its totient is φ = 822696.

The previous prime is 1649129. The next prime is 1649147. The reversal of 1649134 is 4319461.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 837 + ... + 1999.

It is an arithmetic number, because the mean of its divisors is an integer number (309915).

2^1649134 is an apocalyptic number.

1649134 is a deficient number, since it is larger than the sum of its proper divisors (830186).

1649134 is a wasteful number, since it uses less digits than its factorization.

1649134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1874.

The product of its digits is 2592, while the sum is 28.

The square root of 1649134 is about 1284.1861235818. The cubic root of 1649134 is about 118.1458982463.

The spelling of 1649134 in words is "one million, six hundred forty-nine thousand, one hundred thirty-four".