97445386 has 4 divisors (see below), whose sum is σ = 146168082. Its totient is φ = 48722692.

The previous prime is 97445371. The next prime is 97445389. The reversal of 97445386 is 68354479.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 70040161 + 27405225 = 8369^2 + 5235^2 .

It is not an unprimeable number, because it can be changed into a prime (97445389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24361345 + ... + 24361348.

Almost surely, 2^97445386 is an apocalyptic number.

97445386 is a deficient number, since it is larger than the sum of its proper divisors (48722696).

97445386 is a wasteful number, since it uses less digits than its factorization.

97445386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48722695.

The product of its digits is 725760, while the sum is 46.

The square root of 97445386 is about 9871.4429543000. The cubic root of 97445386 is about 460.1722511809.

It can be divided in two parts, 974 and 45386, that added together give a triangular number (46360 = T₃₀₄).

The spelling of 97445386 in words is "ninety-seven million, four hundred forty-five thousand, three hundred eighty-six".