3948623 has 4 divisors (see below), whose sum is σ = 4512720. Its totient is φ = 3384528.

The previous prime is 3948619. The next prime is 3948653. The reversal of 3948623 is 3268493.

It is a happy number.

3948623 is nontrivially palindromic in base 4.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 3948623 - 2² = 3948619 is a prime.

It is a super-2 number, since 2×3948623² = 31183247192258, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹¹ + 9⁴ + 4⁸ + 8⁷ + 6⁵ + 2⁷ + 3¹³ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3948613) 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, 282038 + ... + 282051.

It is an arithmetic number, because the mean of its divisors is an integer number (1128180).

Almost surely, 2^3948623 is an apocalyptic number.

3948623 is a deficient number, since it is larger than the sum of its proper divisors (564097).

3948623 is an equidigital number, since it uses as much as digits as its factorization.

3948623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564096.

The product of its digits is 31104, while the sum is 35.

The square root of 3948623 is about 1987.1142392927. The cubic root of 3948623 is about 158.0575419319.

The spelling of 3948623 in words is "three million, nine hundred forty-eight thousand, six hundred twenty-three".