1049840 has 40 divisors (see below), whose sum is σ = 2665008. Its totient is φ = 381440.

The previous prime is 1049837. The next prime is 1049843. The reversal of 1049840 is 489401.

It is an interprime number because it is at equal distance from previous prime (1049837) and next prime (1049843).

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×1049840² = 2204328051200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1049843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284 + ... + 1476.

2^1049840 is an apocalyptic number.

1049840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1049840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1332504).

1049840 is an abundant number, since it is smaller than the sum of its proper divisors (1615168).

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

1049840 is a wasteful number, since it uses less digits than its factorization.

1049840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1049840 is about 1024.6170016157. The cubic root of 1049840 is about 101.6344727711.

The spelling of 1049840 in words is "one million, forty-nine thousand, eight hundred forty".