542392 has 16 divisors (see below), whose sum is σ = 1026000. Its totient is φ = 268800.

The previous prime is 542371. The next prime is 542401. The reversal of 542392 is 293245.

It is a happy number.

It is a nialpdrome in base 15.

It is a congruent number.

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, 984 + ... + 1432.

It is an arithmetic number, because the mean of its divisors is an integer number (64125).

2⁵⁴²³⁹² is an apocalyptic number.

It is an amenable number.

542392 is a deficient number, since it is larger than the sum of its proper divisors (483608).

542392 is a wasteful number, since it uses less digits than its factorization.

542392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 606 (or 602 counting only the distinct ones).

The product of its digits is 2160, while the sum is 25.

The square root of 542392 is about 736.4726743064. The cubic root of 542392 is about 81.5525900429.

The spelling of 542392 in words is "five hundred forty-two thousand, three hundred ninety-two".