3948245 has 8 divisors (see below), whose sum is σ = 5414784. Its totient is φ = 2707344.

The previous prime is 3948229. The next prime is 3948247. The reversal of 3948245 is 5428493.

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

It is a cyclic number.

It is not a de Polignac number, because 3948245 - 2⁴ = 3948229 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 112807 = 3948245 / (3 + 9 + 4 + 8 + 2 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948247) 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, 56369 + ... + 56438.

It is an arithmetic number, because the mean of its divisors is an integer number (676848).

Almost surely, 2^3948245 is an apocalyptic number.

3948245 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3948245 is a deficient number, since it is larger than the sum of its proper divisors (1466539).

3948245 is a wasteful number, since it uses less digits than its factorization.

3948245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112819.

The product of its digits is 34560, while the sum is 35.

The square root of 3948245 is about 1987.0191242160. The cubic root of 3948245 is about 158.0524981772.

It can be divided in two parts, 39 and 48245, that added together give a palindrome (48284).

The spelling of 3948245 in words is "three million, nine hundred forty-eight thousand, two hundred forty-five".