38902630 has 64 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 13031424.

The previous prime is 38902561. The next prime is 38902639. The reversal of 38902630 is 3620983.

It is a happy number.

38902630 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 38902592 and 38902601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38902639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 63787 + ... + 64393.

It is an arithmetic number, because the mean of its divisors is an integer number (1292760).

Almost surely, 2^38902630 is an apocalyptic number.

38902630 is an abundant number, since it is smaller than the sum of its proper divisors (43834010).

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

38902630 is a wasteful number, since it uses less digits than its factorization.

38902630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 673.

The product of its (nonzero) digits is 7776, while the sum is 31.

The square root of 38902630 is about 6237.1972872437. The cubic root of 38902630 is about 338.8386849496.

The spelling of 38902630 in words is "thirty-eight million, nine hundred two thousand, six hundred thirty".