97209694 has 4 divisors (see below), whose sum is σ = 145814544. Its totient is φ = 48604846.

The previous prime is 97209659. The next prime is 97209701. The reversal of 97209694 is 49690279.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 49690279 = 233 ⋅213263.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24302422 + ... + 24302425.

It is an arithmetic number, because the mean of its divisors is an integer number (36453636).

Almost surely, 2^97209694 is an apocalyptic number.

97209694 is a deficient number, since it is larger than the sum of its proper divisors (48604850).

97209694 is a wasteful number, since it uses less digits than its factorization.

97209694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48604849.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 97209694 is about 9859.4976545461. The cubic root of 97209694 is about 459.8009441207.

It can be divided in two parts, 97209 and 694, that added together give a triangular number (97903 = T₄₄₂).

The spelling of 97209694 in words is "ninety-seven million, two hundred nine thousand, six hundred ninety-four".