1538967 has 4 divisors (see below), whose sum is σ = 2051960. Its totient is φ = 1025976.

The previous prime is 1538963. The next prime is 1538983. The reversal of 1538967 is 7698351.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 1538967 - 2² = 1538963 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1538963) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 256492 + ... + 256497.

It is an arithmetic number, because the mean of its divisors is an integer number (512990).

2^1538967 is an apocalyptic number.

1538967 is a deficient number, since it is larger than the sum of its proper divisors (512993).

1538967 is an equidigital number, since it uses as much as digits as its factorization.

1538967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 512992.

The product of its digits is 45360, while the sum is 39.

The square root of 1538967 is about 1240.5510872189. The cubic root of 1538967 is about 115.4542087177.

The spelling of 1538967 in words is "one million, five hundred thirty-eight thousand, nine hundred sixty-seven".