1399952 has 20 divisors (see below), whose sum is σ = 2760240. Its totient is φ = 687648.

The previous prime is 1399943. The next prime is 1399963. The reversal of 1399952 is 2599931.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 203 + ... + 1685.

It is an arithmetic number, because the mean of its divisors is an integer number (138012).

2^1399952 is an apocalyptic number.

It is an amenable number.

1399952 is a deficient number, since it is larger than the sum of its proper divisors (1360288).

1399952 is a wasteful number, since it uses less digits than its factorization.

1399952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550 (or 1544 counting only the distinct ones).

The product of its digits is 21870, while the sum is 38.

The square root of 1399952 is about 1183.1956727439. The cubic root of 1399952 is about 111.8676156919.

The spelling of 1399952 in words is "one million, three hundred ninety-nine thousand, nine hundred fifty-two".