5649790 has 8 divisors (see below), whose sum is σ = 10169640. Its totient is φ = 2259912.

The previous prime is 5649779. The next prime is 5649793. The reversal of 5649790 is 979465.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5649793) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282480 + ... + 282499.

It is an arithmetic number, because the mean of its divisors is an integer number (1271205).

Almost surely, 2^5649790 is an apocalyptic number.

5649790 is a deficient number, since it is larger than the sum of its proper divisors (4519850).

5649790 is a wasteful number, since it uses less digits than its factorization.

5649790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564986.

The product of its (nonzero) digits is 68040, while the sum is 40.

The square root of 5649790 is about 2376.9286905585. The cubic root of 5649790 is about 178.1055427603.

The spelling of 5649790 in words is "five million, six hundred forty-nine thousand, seven hundred ninety".