97424429 has 4 divisors (see below), whose sum is σ = 97447584. Its totient is φ = 97401276.

The previous prime is 97424423. The next prime is 97424443. The reversal of 97424429 is 92442479.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 97424429 - 2¹² = 97420333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97424423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3287 + ... + 14340.

It is an arithmetic number, because the mean of its divisors is an integer number (24361896).

Almost surely, 2^97424429 is an apocalyptic number.

It is an amenable number.

97424429 is a deficient number, since it is larger than the sum of its proper divisors (23155).

97424429 is a wasteful number, since it uses less digits than its factorization.

97424429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23154.

The product of its digits is 145152, while the sum is 41.

The square root of 97424429 is about 9870.3814009389. The cubic root of 97424429 is about 460.1392599787.

The spelling of 97424429 in words is "ninety-seven million, four hundred twenty-four thousand, four hundred twenty-nine".