1406190 has 32 divisors (see below), whose sum is σ = 3553920. Its totient is φ = 355104.

The previous prime is 1406173. The next prime is 1406213. The reversal of 1406190 is 916041.

It is a super-2 number, since 2×1406190² = 3954740632200, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 664 + ... + 1803.

It is an arithmetic number, because the mean of its divisors is an integer number (111060).

2^1406190 is an apocalyptic number.

1406190 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1406190 is an abundant number, since it is smaller than the sum of its proper divisors (2147730).

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

1406190 is a wasteful number, since it uses less digits than its factorization.

1406190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2496.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1406190 is about 1185.8288240720. The cubic root of 1406190 is about 112.0335252529.

It can be divided in two parts, 1406 and 190, that added together give a triangular number (1596 = T₅₆).

The spelling of 1406190 in words is "one million, four hundred six thousand, one hundred ninety".