1655442 has 12 divisors (see below), whose sum is σ = 3586830. Its totient is φ = 551808.

The previous prime is 1655419. The next prime is 1655449. The reversal of 1655442 is 2445561.

1655442 is a `hidden beast` number, since 1 + 655 + 4 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1320201 + 335241 = 1149^2 + 579^2 .

It is not an unprimeable number, because it can be changed into a prime (1655449) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 45967 + ... + 46002.

2^1655442 is an apocalyptic number.

1655442 is an abundant number, since it is smaller than the sum of its proper divisors (1931388).

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

1655442 is a wasteful number, since it uses less digits than its factorization.

1655442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91977 (or 91974 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 1655442 is about 1286.6398097370. The cubic root of 1655442 is about 118.2963441003.

The spelling of 1655442 in words is "one million, six hundred fifty-five thousand, four hundred forty-two".