3926427 has 8 divisors (see below), whose sum is σ = 5346816. Its totient is φ = 2561832.

The previous prime is 3926423. The next prime is 3926431. The reversal of 3926427 is 7246293.

It is an interprime number because it is at equal distance from previous prime (3926423) and next prime (3926431).

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

It is not a de Polignac number, because 3926427 - 2² = 3926423 is a prime.

It is a d-powerful number, because it can be written as 3⁷ + 9 + 2¹⁷ + 6⁸ + 4⁷ + 2²¹ + 7 .

3926427 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3926423) 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, 13783 + ... + 14064.

It is an arithmetic number, because the mean of its divisors is an integer number (668352).

Almost surely, 2^3926427 is an apocalyptic number.

3926427 is a deficient number, since it is larger than the sum of its proper divisors (1420389).

3926427 is a wasteful number, since it uses less digits than its factorization.

3926427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27897.

The product of its digits is 18144, while the sum is 33.

The square root of 3926427 is about 1981.5213851988. The cubic root of 3926427 is about 157.7608275817.

The spelling of 3926427 in words is "three million, nine hundred twenty-six thousand, four hundred twenty-seven".