3940251 has 8 divisors (see below), whose sum is σ = 6004224. Its totient is φ = 2251560.

The previous prime is 3940249. The next prime is 3940253. The reversal of 3940251 is 1520493.

3940251 = 524² + 525² + ... + 537².

It is an interprime number because it is at equal distance from previous prime (3940249) and next prime (3940253).

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

It is not a de Polignac number, because 3940251 - 2¹ = 3940249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3940253) 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, 93795 + ... + 93836.

It is an arithmetic number, because the mean of its divisors is an integer number (750528).

Almost surely, 2^3940251 is an apocalyptic number.

3940251 is a deficient number, since it is larger than the sum of its proper divisors (2063973).

3940251 is a wasteful number, since it uses less digits than its factorization.

3940251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 187641.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 3940251 is about 1985.0065491076. The cubic root of 3940251 is about 157.9457566294.

The spelling of 3940251 in words is "three million, nine hundred forty thousand, two hundred fifty-one".