1438950 has 48 divisors (see below), whose sum is σ = 3656016. Its totient is φ = 374400.

The previous prime is 1438939. The next prime is 1438961. The reversal of 1438950 is 598341.

It is an interprime number because it is at equal distance from previous prime (1438939) and next prime (1438961).

It is a Harshad number since it is a multiple of its sum of digits (30).

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 23 ways as a sum of consecutive naturals, for example, 7860 + ... + 8040.

It is an arithmetic number, because the mean of its divisors is an integer number (76167).

2^1438950 is an apocalyptic number.

1438950 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1438950, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1828008).

1438950 is an abundant number, since it is smaller than the sum of its proper divisors (2217066).

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

1438950 is a wasteful number, since it uses less digits than its factorization.

1438950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249 (or 244 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1438950 is about 1199.5624202183. The cubic root of 1438950 is about 112.8968699077.

The spelling of 1438950 in words is "one million, four hundred thirty-eight thousand, nine hundred fifty".