3979263 has 16 divisors (see below), whose sum is σ = 5498240. Its totient is φ = 2558304.

The previous prime is 3979259. The next prime is 3979267. The reversal of 3979263 is 3629793.

It is an interprime number because it is at equal distance from previous prime (3979259) and next prime (3979267).

It is not a de Polignac number, because 3979263 - 2² = 3979259 is a prime.

It is a super-3 number, since 3×3979263³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3979267) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13920 + ... + 14202.

It is an arithmetic number, because the mean of its divisors is an integer number (343640).

Almost surely, 2^3979263 is an apocalyptic number.

3979263 is a deficient number, since it is larger than the sum of its proper divisors (1518977).

3979263 is a wasteful number, since it uses less digits than its factorization.

3979263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438.

The product of its digits is 61236, while the sum is 39.

The square root of 3979263 is about 1994.8090134146. The cubic root of 3979263 is about 158.4653136555.

The spelling of 3979263 in words is "three million, nine hundred seventy-nine thousand, two hundred sixty-three".