4006455 has 8 divisors (see below), whose sum is σ = 6410352. Its totient is φ = 2136768.

The previous prime is 4006451. The next prime is 4006463. The reversal of 4006455 is 5546004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4006455 - 2² = 4006451 is a prime.

4006455 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4006451) 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, 133534 + ... + 133563.

It is an arithmetic number, because the mean of its divisors is an integer number (801294).

Almost surely, 2^4006455 is an apocalyptic number.

4006455 is a deficient number, since it is larger than the sum of its proper divisors (2403897).

4006455 is a wasteful number, since it uses less digits than its factorization.

4006455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267105.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 4006455 is about 2001.6130994775. The cubic root of 4006455 is about 158.8254482541.

The spelling of 4006455 in words is "four million, six thousand, four hundred fifty-five".