1395742 has 8 divisors (see below), whose sum is σ = 2099376. Its totient is φ = 695952.

The previous prime is 1395739. The next prime is 1395743. The reversal of 1395742 is 2475931.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1395743) 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, 258 + ... + 1690.

It is an arithmetic number, because the mean of its divisors is an integer number (262422).

2^1395742 is an apocalyptic number.

1395742 is a deficient number, since it is larger than the sum of its proper divisors (703634).

1395742 is a wasteful number, since it uses less digits than its factorization.

1395742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922.

The product of its digits is 7560, while the sum is 31.

The square root of 1395742 is about 1181.4152529911. The cubic root of 1395742 is about 111.7553652832.

The spelling of 1395742 in words is "one million, three hundred ninety-five thousand, seven hundred forty-two".