1649230 has 48 divisors (see below), whose sum is σ = 3447360. Its totient is φ = 566720.

The previous prime is 1649213. The next prime is 1649237. The reversal of 1649230 is 329461.

It is a junction number, because it is equal to n+sod(n) for n = 1649195 and 1649204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35067 + ... + 35113.

It is an arithmetic number, because the mean of its divisors is an integer number (71820).

2^1649230 is an apocalyptic number.

1649230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1649230 is an abundant number, since it is smaller than the sum of its proper divisors (1798130).

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

1649230 is a wasteful number, since it uses less digits than its factorization.

1649230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1649230 is about 1284.2235007973. The cubic root of 1649230 is about 118.1481907194.

The spelling of 1649230 in words is "one million, six hundred forty-nine thousand, two hundred thirty".