38229487 has 2 divisors, whose sum is σ = 38229488. Its totient is φ = 38229486.

The previous prime is 38229431. The next prime is 38229491. The reversal of 38229487 is 78492283.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 38229487 - 2¹¹ = 38227439 is a prime.

It is a super-2 number, since 2×38229487² = 2922987352566338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (38229407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19114743 + 19114744.

It is an arithmetic number, because the mean of its divisors is an integer number (19114744).

Almost surely, 2^38229487 is an apocalyptic number.

38229487 is a deficient number, since it is larger than the sum of its proper divisors (1).

38229487 is an equidigital number, since it uses as much as digits as its factorization.

38229487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 38229487 is about 6182.9998382662. Note that the first 3 decimals coincide. The cubic root of 38229487 is about 336.8729632388.

The spelling of 38229487 in words is "thirty-eight million, two hundred twenty-nine thousand, four hundred eighty-seven".