1985254 has 8 divisors (see below), whose sum is σ = 2994048. Its totient is φ = 987240.

The previous prime is 1985239. The next prime is 1985257. The reversal of 1985254 is 4525891.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1985257) 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, 2217 + ... + 2980.

It is an arithmetic number, because the mean of its divisors is an integer number (374256).

2^1985254 is an apocalyptic number.

1985254 is a deficient number, since it is larger than the sum of its proper divisors (1008794).

1985254 is a wasteful number, since it uses less digits than its factorization.

1985254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5390.

The product of its digits is 14400, while the sum is 34.

The square root of 1985254 is about 1408.9904187041. The cubic root of 1985254 is about 125.6816942521.

The spelling of 1985254 in words is "one million, nine hundred eighty-five thousand, two hundred fifty-four".