3642407 has 4 divisors (see below), whose sum is σ = 3759936. Its totient is φ = 3524880.

The previous prime is 3642377. The next prime is 3642427. The reversal of 3642407 is 7042463.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7042463 = 2153 ⋅3271.

It is a cyclic number.

It is not a de Polignac number, because 3642407 - 2⁶ = 3642343 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3642427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58718 + ... + 58779.

It is an arithmetic number, because the mean of its divisors is an integer number (939984).

Almost surely, 2^3642407 is an apocalyptic number.

3642407 is a deficient number, since it is larger than the sum of its proper divisors (117529).

3642407 is a wasteful number, since it uses less digits than its factorization.

3642407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117528.

The product of its (nonzero) digits is 4032, while the sum is 26.

The square root of 3642407 is about 1908.5091039867. The cubic root of 3642407 is about 153.8613329831.

The spelling of 3642407 in words is "three million, six hundred forty-two thousand, four hundred seven".