3620245 has 8 divisors (see below), whose sum is σ = 4356000. Its totient is φ = 2888400.

The previous prime is 3620231. The next prime is 3620249. The reversal of 3620245 is 5420263.

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 3620245 - 2¹³ = 3612053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3620249) 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, 1770 + ... + 3220.

It is an arithmetic number, because the mean of its divisors is an integer number (544500).

Almost surely, 2^3620245 is an apocalyptic number.

It is an amenable number.

3620245 is a deficient number, since it is larger than the sum of its proper divisors (735755).

3620245 is a wasteful number, since it uses less digits than its factorization.

3620245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1955.

The product of its (nonzero) digits is 1440, while the sum is 22.

The square root of 3620245 is about 1902.6941425253. The cubic root of 3620245 is about 153.5486446923.

The spelling of 3620245 in words is "three million, six hundred twenty thousand, two hundred forty-five".