3642051 has 8 divisors (see below), whose sum is σ = 5549824. Its totient is φ = 2081160.

The previous prime is 3642049. The next prime is 3642061. The reversal of 3642051 is 1502463.

It is a happy number.

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

It is not a de Polignac number, because 3642051 - 2¹ = 3642049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 173431 = 3642051 / (3 + 6 + 4 + 2 + 0 + 5 + 1).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (3642031) 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, 86695 + ... + 86736.

It is an arithmetic number, because the mean of its divisors is an integer number (693728).

Almost surely, 2^3642051 is an apocalyptic number.

3642051 is a deficient number, since it is larger than the sum of its proper divisors (1907773).

3642051 is a wasteful number, since it uses less digits than its factorization.

3642051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173441.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 3642051 is about 1908.4158351890. The cubic root of 3642051 is about 153.8563201423.

It can be divided in two parts, 364 and 2051, that added together give a triangular number (2415 = T₆₉).

The spelling of 3642051 in words is "three million, six hundred forty-two thousand, fifty-one".