32378397 has 8 divisors (see below), whose sum is σ = 44224320. Its totient is φ = 21059040.

The previous prime is 32378377. The next prime is 32378417. The reversal of 32378397 is 79387323.

It is an interprime number because it is at equal distance from previous prime (32378377) and next prime (32378417).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 32378397 - 2¹¹ = 32376349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32378327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131497 + ... + 131742.

It is an arithmetic number, because the mean of its divisors is an integer number (5528040).

Almost surely, 2^32378397 is an apocalyptic number.

It is an amenable number.

32378397 is a deficient number, since it is larger than the sum of its proper divisors (11845923).

32378397 is a wasteful number, since it uses less digits than its factorization.

32378397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263283.

The product of its digits is 190512, while the sum is 42.

The square root of 32378397 is about 5690.2018417627. The cubic root of 32378397 is about 318.7267012574.

The spelling of 32378397 in words is "thirty-two million, three hundred seventy-eight thousand, three hundred ninety-seven".