1039390 has 24 divisors (see below), whose sum is σ = 2058840. Its totient is φ = 377520.

The previous prime is 1039387. The next prime is 1039421. The reversal of 1039390 is 939301.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 781 + ... + 1639.

It is an arithmetic number, because the mean of its divisors is an integer number (85785).

2^1039390 is an apocalyptic number.

1039390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1039390 is a deficient number, since it is larger than the sum of its proper divisors (1019450).

1039390 is a wasteful number, since it uses less digits than its factorization.

1039390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888 (or 877 counting only the distinct ones).

The product of its (nonzero) digits is 729, while the sum is 25.

The square root of 1039390 is about 1019.5047817445. The cubic root of 1039390 is about 101.2961279427.

The spelling of 1039390 in words is "one million, thirty-nine thousand, three hundred ninety".