3642455 has 16 divisors (see below), whose sum is σ = 4523904. Its totient is φ = 2814240.

The previous prime is 3642451. The next prime is 3642467. The reversal of 3642455 is 5542463.

It is not a de Polignac number, because 3642455 - 2² = 3642451 is a prime.

It is a d-powerful number, because it can be written as 3⁸ + 6⁸ + 4 + 2³ + 4² + 5⁵ + 5⁹ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642451) by changing a digit.

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, 27740 + ... + 27870.

It is an arithmetic number, because the mean of its divisors is an integer number (282744).

Almost surely, 2^3642455 is an apocalyptic number.

3642455 is a deficient number, since it is larger than the sum of its proper divisors (881449).

3642455 is a wasteful number, since it uses less digits than its factorization.

3642455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 286.

The product of its digits is 14400, while the sum is 29.

The square root of 3642455 is about 1908.5216792062. The cubic root of 3642455 is about 153.8620088467.

It can be divided in two parts, 3642 and 455, that multiplied together give a triangular number (1657110 = T₁₈₂₀).

The spelling of 3642455 in words is "three million, six hundred forty-two thousand, four hundred fifty-five".