38421402 has 16 divisors (see below), whose sum is σ = 76929600. Its totient is φ = 12792672.

The previous prime is 38421373. The next prime is 38421443. The reversal of 38421402 is 20412483.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3099 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (4808100).

Almost surely, 2^38421402 is an apocalyptic number.

It is a pronic number, being equal to 6198×6199.

38421402 is an abundant number, since it is smaller than the sum of its proper divisors (38508198).

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

38421402 is a wasteful number, since it uses less digits than its factorization.

38421402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7237.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 38421402 is about 6198.4999798338. The cubic root of 38421402 is about 337.4357320699.

Adding to 38421402 its reverse (20412483), we get a palindrome (58833885).

The spelling of 38421402 in words is "thirty-eight million, four hundred twenty-one thousand, four hundred two".