39764628 has 48 divisors (see below), whose sum is σ = 105053760. Its totient is φ = 13002912.

The previous prime is 39764611. The next prime is 39764651. The reversal of 39764628 is 82646793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2251 + ... + 9197.

It is an arithmetic number, because the mean of its divisors is an integer number (2188620).

Almost surely, 2^39764628 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39764628, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52526880).

39764628 is an abundant number, since it is smaller than the sum of its proper divisors (65289132).

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

39764628 is a wasteful number, since it uses less digits than its factorization.

39764628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7013 (or 7005 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 39764628 is about 6305.9200756115. The cubic root of 39764628 is about 341.3230685220.

It can be divided in two parts, 397 and 64628, that added together give a square (65025 = 255²).

The spelling of 39764628 in words is "thirty-nine million, seven hundred sixty-four thousand, six hundred twenty-eight".