40379197 has 2 divisors, whose sum is σ = 40379198. Its totient is φ = 40379196.

The previous prime is 40379177. The next prime is 40379231. The reversal of 40379197 is 79197304.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38365636 + 2013561 = 6194^2 + 1419^2 .

It is a cyclic number.

It is not a de Polignac number, because 40379197 - 2¹⁹ = 39854909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40379117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20189598 + 20189599.

It is an arithmetic number, because the mean of its divisors is an integer number (20189599).

Almost surely, 2^40379197 is an apocalyptic number.

It is an amenable number.

40379197 is a deficient number, since it is larger than the sum of its proper divisors (1).

40379197 is an equidigital number, since it uses as much as digits as its factorization.

40379197 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 40379197 is about 6354.4627625001. The cubic root of 40379197 is about 343.0724884831.

The spelling of 40379197 in words is "forty million, three hundred seventy-nine thousand, one hundred ninety-seven".