1399254 has 16 divisors (see below), whose sum is σ = 2827440. Its totient is φ = 461600.

The previous prime is 1399231. The next prime is 1399261. The reversal of 1399254 is 4529931.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 549 + ... + 1760.

It is an arithmetic number, because the mean of its divisors is an integer number (176715).

2^1399254 is an apocalyptic number.

1399254 is an abundant number, since it is smaller than the sum of its proper divisors (1428186).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1399254 is a wasteful number, since it uses less digits than its factorization.

1399254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2415.

The product of its digits is 9720, while the sum is 33.

The square root of 1399254 is about 1182.9006720769. The cubic root of 1399254 is about 111.8490206313.

It can be divided in two parts, 1399 and 254, that added together give a triangular number (1653 = T₅₇).

The spelling of 1399254 in words is "one million, three hundred ninety-nine thousand, two hundred fifty-four".