32398420 has 24 divisors (see below), whose sum is σ = 71618400. Its totient is φ = 12277152.

The previous prime is 32398391. The next prime is 32398427. The reversal of 32398420 is 2489323.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32398427) 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, 42250 + ... + 43009.

It is an arithmetic number, because the mean of its divisors is an integer number (2984100).

Almost surely, 2^32398420 is an apocalyptic number.

It is an amenable number.

32398420 is an abundant number, since it is smaller than the sum of its proper divisors (39219980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

32398420 is a wasteful number, since it uses less digits than its factorization.

32398420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85287 (or 85285 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 32398420 is about 5691.9609977582. The cubic root of 32398420 is about 318.7923885701.

The spelling of 32398420 in words is "thirty-two million, three hundred ninety-eight thousand, four hundred twenty".