1406550 has 24 divisors (see below), whose sum is σ = 3488616. Its totient is φ = 375040.

The previous prime is 1406549. The next prime is 1406557. The reversal of 1406550 is 556041.

It is a happy number.

It is an Ulam number.

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1406557) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4539 + ... + 4838.

It is an arithmetic number, because the mean of its divisors is an integer number (145359).

2^1406550 is an apocalyptic number.

1406550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406550 is an abundant number, since it is smaller than the sum of its proper divisors (2082066).

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

1406550 is a wasteful number, since it uses less digits than its factorization.

1406550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9392 (or 9387 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 1406550 is about 1185.9806069241. The cubic root of 1406550 is about 112.0430850392.

The spelling of 1406550 in words is "one million, four hundred six thousand, five hundred fifty".