38498420 has 12 divisors (see below), whose sum is σ = 80846724. Its totient is φ = 15399360.

The previous prime is 38498419. The next prime is 38498423. The reversal of 38498420 is 2489483.

It can be written as a sum of positive squares in 2 ways, for example, as 9897316 + 28601104 = 3146^2 + 5348^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38498423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 962441 + ... + 962480.

It is an arithmetic number, because the mean of its divisors is an integer number (6737227).

Almost surely, 2^38498420 is an apocalyptic number.

It is an amenable number.

38498420 is an abundant number, since it is smaller than the sum of its proper divisors (42348304).

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

38498420 is a wasteful number, since it uses less digits than its factorization.

38498420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1924930 (or 1924928 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 38498420 is about 6204.7095016608. The cubic root of 38498420 is about 337.6610516221.

The spelling of 38498420 in words is "thirty-eight million, four hundred ninety-eight thousand, four hundred twenty".