1649036 has 12 divisors (see below), whose sum is σ = 2903712. Its totient is φ = 819408.

The previous prime is 1649023. The next prime is 1649059. The reversal of 1649036 is 6309461.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 500 + ... + 1883.

It is an arithmetic number, because the mean of its divisors is an integer number (241976).

2^1649036 is an apocalyptic number.

It is an amenable number.

1649036 is a deficient number, since it is larger than the sum of its proper divisors (1254676).

1649036 is a wasteful number, since it uses less digits than its factorization.

1649036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2560 (or 2558 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1649036 is about 1284.1479665521. The cubic root of 1649036 is about 118.1435579216.

The spelling of 1649036 in words is "one million, six hundred forty-nine thousand, thirty-six".