3940263831 has 8 divisors (see below), whose sum is σ = 6004211584. Its totient is φ = 2251579320.

The previous prime is 3940263823. The next prime is 3940263839. The reversal of 3940263831 is 1383620493.

It is an interprime number because it is at equal distance from previous prime (3940263823) and next prime (3940263839).

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

It is not a de Polignac number, because 3940263831 - 2³ = 3940263823 is a prime.

It is a super-2 number, since 2×3940263831² = 31051358115773593122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3940263831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3940263839) 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, 93815785 + ... + 93815826.

It is an arithmetic number, because the mean of its divisors is an integer number (750526448).

Almost surely, 2^3940263831 is an apocalyptic number.

3940263831 is a deficient number, since it is larger than the sum of its proper divisors (2063947753).

3940263831 is a wasteful number, since it uses less digits than its factorization.

3940263831 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 187631621.

The product of its (nonzero) digits is 93312, while the sum is 39.

The square root of 3940263831 is about 62771.5208593834. The cubic root of 3940263831 is about 1579.4592807362.

The spelling of 3940263831 in words is "three billion, nine hundred forty million, two hundred sixty-three thousand, eight hundred thirty-one".