397243414 has 4 divisors (see below), whose sum is σ = 595865124. Its totient is φ = 198621706.

The previous prime is 397243409. The next prime is 397243447. The reversal of 397243414 is 414342793.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 414342793 = 89 ⋅4655537.

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, 99310852 + ... + 99310855.

It is an arithmetic number, because the mean of its divisors is an integer number (148966281).

Almost surely, 2^397243414 is an apocalyptic number.

397243414 is a deficient number, since it is larger than the sum of its proper divisors (198621710).

397243414 is a wasteful number, since it uses less digits than its factorization.

397243414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198621709.

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

The square root of 397243414 is about 19930.9662083904. The cubic root of 397243414 is about 735.1098384294.

The spelling of 397243414 in words is "three hundred ninety-seven million, two hundred forty-three thousand, four hundred fourteen".