368640037 has 2 divisors, whose sum is σ = 368640038. Its totient is φ = 368640036.

The previous prime is 368640031. The next prime is 368640043. The reversal of 368640037 is 730046863.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (368640031) and next prime (368640043).

It can be written as a sum of positive squares in only one way, i.e., 366569316 + 2070721 = 19146^2 + 1439^2 .

It is a cyclic number.

It is not a de Polignac number, because 368640037 - 2¹¹ = 368637989 is a prime.

It is a super-2 number, since 2×368640037² = 271790953758722738, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 368639978 and 368640005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (368640031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184320018 + 184320019.

It is an arithmetic number, because the mean of its divisors is an integer number (184320019).

Almost surely, 2^368640037 is an apocalyptic number.

It is an amenable number.

368640037 is a deficient number, since it is larger than the sum of its proper divisors (1).

368640037 is an equidigital number, since it uses as much as digits as its factorization.

368640037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 368640037 is about 19200.0009635416. Note that the first 3 decimals coincide. The cubic root of 368640037 is about 717.0247834381.

Subtracting from 368640037 its sum of digits (37), we obtain a square (368640000 = 19200²).

The spelling of 368640037 in words is "three hundred sixty-eight million, six hundred forty thousand, thirty-seven".