1542938 has 8 divisors (see below), whose sum is σ = 2323188. Its totient is φ = 768544.

The previous prime is 1542917. The next prime is 1542941. The reversal of 1542938 is 8392451.

It can be written as a sum of positive squares in 2 ways, for example, as 1530169 + 12769 = 1237^2 + 113^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 731 + ... + 1902.

2^1542938 is an apocalyptic number.

1542938 is a deficient number, since it is larger than the sum of its proper divisors (780250).

1542938 is a wasteful number, since it uses less digits than its factorization.

1542938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2928.

The product of its digits is 8640, while the sum is 32.

The square root of 1542938 is about 1242.1505544820. The cubic root of 1542938 is about 115.5534256812.

The spelling of 1542938 in words is "one million, five hundred forty-two thousand, nine hundred thirty-eight".