39672461 has 8 divisors (see below), whose sum is σ = 41409144. Its totient is φ = 37972480.

The previous prime is 39672449. The next prime is 39672469. The reversal of 39672461 is 16427693.

It can be written as a sum of positive squares in 4 ways, for example, as 609961 + 39062500 = 781^2 + 6250^2 .

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 39672461 - 2⁶ = 39672397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39672469) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6956 + ... + 11301.

It is an arithmetic number, because the mean of its divisors is an integer number (5176143).

Almost surely, 2^39672461 is an apocalyptic number.

It is an amenable number.

39672461 is a deficient number, since it is larger than the sum of its proper divisors (1736683).

39672461 is a wasteful number, since it uses less digits than its factorization.

39672461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18351.

The product of its digits is 54432, while the sum is 38.

The square root of 39672461 is about 6298.6078620597. The cubic root of 39672461 is about 341.0591567547.

The spelling of 39672461 in words is "thirty-nine million, six hundred seventy-two thousand, four hundred sixty-one".