1648242 has 32 divisors (see below), whose sum is σ = 3706560. Its totient is φ = 542880.

The previous prime is 1648237. The next prime is 1648253. The reversal of 1648242 is 2428461.

It is a super-3 number, since 3×1648242³ = 13433345483575765464, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6958 + ... + 7190.

It is an arithmetic number, because the mean of its divisors is an integer number (115830).

2^1648242 is an apocalyptic number.

1648242 is an abundant number, since it is smaller than the sum of its proper divisors (2058318).

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

1648242 is a wasteful number, since it uses less digits than its factorization.

1648242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375 (or 369 counting only the distinct ones).

The product of its digits is 3072, while the sum is 27.

The square root of 1648242 is about 1283.8387749246. The cubic root of 1648242 is about 118.1245930951.

The spelling of 1648242 in words is "one million, six hundred forty-eight thousand, two hundred forty-two".