1390995 has 12 divisors (see below), whose sum is σ = 2411136. Its totient is φ = 741840.

The previous prime is 1390993. The next prime is 1391011. The reversal of 1390995 is 5990931.

It is not a de Polignac number, because 1390995 - 2¹ = 1390993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1390993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15411 + ... + 15500.

It is an arithmetic number, because the mean of its divisors is an integer number (200928).

2^1390995 is an apocalyptic number.

1390995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1390995 is a deficient number, since it is larger than the sum of its proper divisors (1020141).

1390995 is a wasteful number, since it uses less digits than its factorization.

1390995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30922 (or 30919 counting only the distinct ones).

The product of its (nonzero) digits is 10935, while the sum is 36.

The square root of 1390995 is about 1179.4045107596. The cubic root of 1390995 is about 111.6285258717.

The spelling of 1390995 in words is "one million, three hundred ninety thousand, nine hundred ninety-five".