1406155 has 16 divisors (see below), whose sum is σ = 1819584. Its totient is φ = 1039360.

The previous prime is 1406101. The next prime is 1406159. The reversal of 1406155 is 5516041.

It is not a de Polignac number, because 1406155 - 2⁹ = 1405643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1406159) 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, 5919 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (113724).

2^1406155 is an apocalyptic number.

1406155 is a deficient number, since it is larger than the sum of its proper divisors (413429).

1406155 is a wasteful number, since it uses less digits than its factorization.

1406155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326.

The product of its (nonzero) digits is 600, while the sum is 22.

The square root of 1406155 is about 1185.8140663696. The cubic root of 1406155 is about 112.0325957422.

The spelling of 1406155 in words is "one million, four hundred six thousand, one hundred fifty-five".