1542998 has 4 divisors (see below), whose sum is σ = 2314500. Its totient is φ = 771498.

The previous prime is 1542997. The next prime is 1543007. The reversal of 1542998 is 8992451.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8992451 = 13 ⋅691727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1542991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 385748 + ... + 385751.

It is an arithmetic number, because the mean of its divisors is an integer number (578625).

2^1542998 is an apocalyptic number.

1542998 is a deficient number, since it is larger than the sum of its proper divisors (771502).

1542998 is an equidigital number, since it uses as much as digits as its factorization.

1542998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 771501.

The product of its digits is 25920, while the sum is 38.

The square root of 1542998 is about 1242.1747059090. The cubic root of 1542998 is about 115.5549234981.

The spelling of 1542998 in words is "one million, five hundred forty-two thousand, nine hundred ninety-eight".