421395374 has 8 divisors (see below), whose sum is σ = 659575440. Its totient is φ = 201536896.

The previous prime is 421395353. The next prime is 421395383. The reversal of 421395374 is 473593124.

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

It is a super-2 number, since 2×421395374² = 355148122457199752, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4580339 + ... + 4580430.

It is an arithmetic number, because the mean of its divisors is an integer number (82446930).

Almost surely, 2^421395374 is an apocalyptic number.

421395374 is a deficient number, since it is larger than the sum of its proper divisors (238180066).

421395374 is a wasteful number, since it uses less digits than its factorization.

421395374 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160794.

The product of its digits is 90720, while the sum is 38.

The square root of 421395374 is about 20527.9169425444. The cubic root of 421395374 is about 749.7156694070.

The spelling of 421395374 in words is "four hundred twenty-one million, three hundred ninety-five thousand, three hundred seventy-four".