1438995 has 32 divisors (see below), whose sum is σ = 2483712. Its totient is φ = 709632.

The previous prime is 1438993. The next prime is 1439017. The reversal of 1438995 is 5998341.

It is not a de Polignac number, because 1438995 - 2¹ = 1438993 is a prime.

It is a super-2 number, since 2×1438995² = 4141413220050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1438991) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14787 + ... + 14883.

It is an arithmetic number, because the mean of its divisors is an integer number (77616).

2^1438995 is an apocalyptic number.

1438995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1438995 is a deficient number, since it is larger than the sum of its proper divisors (1044717).

1438995 is a wasteful number, since it uses less digits than its factorization.

1438995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171.

The product of its digits is 38880, while the sum is 39.

The square root of 1438995 is about 1199.5811769113. The cubic root of 1438995 is about 112.8980467627.

The spelling of 1438995 in words is "one million, four hundred thirty-eight thousand, nine hundred ninety-five".