3728471 has 2 divisors, whose sum is σ = 3728472. Its totient is φ = 3728470.

The previous prime is 3728447. The next prime is 3728479. The reversal of 3728471 is 1748273.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3728471 - 2⁶ = 3728407 is a prime.

It is a super-3 number, since 3×3728471³ (a number of 21 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3728479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1864235 + 1864236.

It is an arithmetic number, because the mean of its divisors is an integer number (1864236).

Almost surely, 2^3728471 is an apocalyptic number.

3728471 is a deficient number, since it is larger than the sum of its proper divisors (1).

3728471 is an equidigital number, since it uses as much as digits as its factorization.

3728471 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9408, while the sum is 32.

The square root of 3728471 is about 1930.9249079133. The cubic root of 3728471 is about 155.0637406938.

The spelling of 3728471 in words is "three million, seven hundred twenty-eight thousand, four hundred seventy-one".