39280045 has 8 divisors (see below), whose sum is σ = 53869824. Its totient is φ = 26934864.

The previous prime is 39280001. The next prime is 39280057. The reversal of 39280045 is 54008293.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 39280045 - 2¹⁵ = 39247277 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 39279989 and 39280016.

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, 561109 + ... + 561178.

It is an arithmetic number, because the mean of its divisors is an integer number (6733728).

Almost surely, 2^39280045 is an apocalyptic number.

39280045 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

39280045 is a deficient number, since it is larger than the sum of its proper divisors (14589779).

39280045 is a wasteful number, since it uses less digits than its factorization.

39280045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1122299.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 39280045 is about 6267.3794364152. The cubic root of 39280045 is about 339.9309115676.

The spelling of 39280045 in words is "thirty-nine million, two hundred eighty thousand, forty-five".