1649496 has 16 divisors (see below), whose sum is σ = 4123800. Its totient is φ = 549824.

The previous prime is 1649489. The next prime is 1649507. The reversal of 1649496 is 6949461.

It is an Ulam number.

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, 34341 + ... + 34388.

2^1649496 is an apocalyptic number.

It is an amenable number.

1649496 is an abundant number, since it is smaller than the sum of its proper divisors (2474304).

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

1649496 is a wasteful number, since it uses less digits than its factorization.

1649496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68738 (or 68734 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 1649496 is about 1284.3270611491. The cubic root of 1649496 is about 118.1545423157.

It can be divided in two parts, 1649 and 496, that added together give a triangular number (2145 = T₆₅).

The spelling of 1649496 in words is "one million, six hundred forty-nine thousand, four hundred ninety-six".