1538972 has 12 divisors (see below), whose sum is σ = 2786280. Its totient is φ = 742896.

The previous prime is 1538963. The next prime is 1538983. The reversal of 1538972 is 2798351.

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, 6518 + ... + 6749.

It is an arithmetic number, because the mean of its divisors is an integer number (232190).

2^1538972 is an apocalyptic number.

It is an amenable number.

1538972 is a deficient number, since it is larger than the sum of its proper divisors (1247308).

1538972 is a wasteful number, since it uses less digits than its factorization.

1538972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13300 (or 13298 counting only the distinct ones).

The product of its digits is 15120, while the sum is 35.

The square root of 1538972 is about 1240.5531024507. The cubic root of 1538972 is about 115.4543337519.

The spelling of 1538972 in words is "one million, five hundred thirty-eight thousand, nine hundred seventy-two".