31374398 has 8 divisors (see below), whose sum is σ = 51339960. Its totient is φ = 14261080.

The previous prime is 31374397. The next prime is 31374407. The reversal of 31374398 is 89347313.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31374397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 713033 + ... + 713076.

It is an arithmetic number, because the mean of its divisors is an integer number (6417495).

Almost surely, 2^31374398 is an apocalyptic number.

31374398 is a deficient number, since it is larger than the sum of its proper divisors (19965562).

31374398 is a wasteful number, since it uses less digits than its factorization.

31374398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426122.

The product of its digits is 54432, while the sum is 38.

The square root of 31374398 is about 5601.2853881944. The cubic root of 31374398 is about 315.3976602027.

The spelling of 31374398 in words is "thirty-one million, three hundred seventy-four thousand, three hundred ninety-eight".