39748390 has 16 divisors (see below), whose sum is σ = 78051600. Its totient is φ = 14453920.

The previous prime is 39748367. The next prime is 39748411. The reversal of 39748390 is 9384793.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 180565 + ... + 180784.

It is an arithmetic number, because the mean of its divisors is an integer number (4878225).

Almost surely, 2^39748390 is an apocalyptic number.

39748390 is a deficient number, since it is larger than the sum of its proper divisors (38303210).

39748390 is a wasteful number, since it uses less digits than its factorization.

39748390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361367.

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 39748390 is about 6304.6324238610. The cubic root of 39748390 is about 341.2766021116.

The spelling of 39748390 in words is "thirty-nine million, seven hundred forty-eight thousand, three hundred ninety".