1062840 has 64 divisors (see below), whose sum is σ = 3382560. Its totient is φ = 266240.

The previous prime is 1062827. The next prime is 1062847. The reversal of 1062840 is 482601.

It is a super-2 number, since 2×1062840² = 2259257731200, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1062847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1780 + ... + 2300.

2^1062840 is an apocalyptic number.

1062840 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 1062840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1691280).

1062840 is an abundant number, since it is smaller than the sum of its proper divisors (2319720).

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

1062840 is a wasteful number, since it uses less digits than its factorization.

1062840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 548 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 1062840 is about 1030.9413174376. The cubic root of 1062840 is about 102.0522608007.

The spelling of 1062840 in words is "one million, sixty-two thousand, eight hundred forty".