4191948 has 18 divisors (see below), whose sum is σ = 10596404. Its totient is φ = 1397304.

The previous prime is 4191947. The next prime is 4191949. The reversal of 4191948 is 8491914.

It is an interprime number because it is at equal distance from previous prime (4191947) and next prime (4191949).

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 116443 = 4191948 / (4 + 1 + 9 + 1 + 9 + 4 + 8).

It is not an unprimeable number, because it can be changed into a prime (4191947) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 58186 + ... + 58257.

Almost surely, 2^4191948 is an apocalyptic number.

It is an amenable number.

4191948 is an abundant number, since it is smaller than the sum of its proper divisors (6404456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4191948 is a wasteful number, since it uses less digits than its factorization.

4191948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116453 (or 116448 counting only the distinct ones).

The product of its digits is 10368, while the sum is 36.

The square root of 4191948 is about 2047.4247238910. The cubic root of 4191948 is about 161.2396928692.

The spelling of 4191948 in words is "four million, one hundred ninety-one thousand, nine hundred forty-eight".