39474397 has 2 divisors, whose sum is σ = 39474398. Its totient is φ = 39474396.

The previous prime is 39474389. The next prime is 39474427. The reversal of 39474397 is 79347493.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38266596 + 1207801 = 6186^2 + 1099^2 .

It is a cyclic number.

It is not a de Polignac number, because 39474397 - 2³ = 39474389 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39474317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19737198 + 19737199.

It is an arithmetic number, because the mean of its divisors is an integer number (19737199).

Almost surely, 2^39474397 is an apocalyptic number.

It is an amenable number.

39474397 is a deficient number, since it is larger than the sum of its proper divisors (1).

39474397 is an equidigital number, since it uses as much as digits as its factorization.

39474397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 571536, while the sum is 46.

The square root of 39474397 is about 6282.8653495042. The cubic root of 39474397 is about 340.4906324892.

The spelling of 39474397 in words is "thirty-nine million, four hundred seventy-four thousand, three hundred ninety-seven".