1490838 has 8 divisors (see below), whose sum is σ = 2981688. Its totient is φ = 496944.

The previous prime is 1490833. The next prime is 1490843. The reversal of 1490838 is 8380941.

It is an interprime number because it is at equal distance from previous prime (1490833) and next prime (1490843).

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

1490838 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1490799 and 1490808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490833) 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, 124231 + ... + 124242.

It is an arithmetic number, because the mean of its divisors is an integer number (372711).

2^1490838 is an apocalyptic number.

1490838 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1490838 is a wasteful number, since it uses less digits than its factorization.

1490838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248478.

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 1490838 is about 1220.9987714982. The cubic root of 1490838 is about 114.2378843008.

The spelling of 1490838 in words is "one million, four hundred ninety thousand, eight hundred thirty-eight".