39900497 has 8 divisors (see below), whose sum is σ = 49108416. Its totient is φ = 31569552.

The previous prime is 39900457. The next prime is 39900499. The reversal of 39900497 is 79400993.

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

It is not a de Polignac number, because 39900497 - 2¹² = 39896401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39900499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219143 + ... + 219324.

It is an arithmetic number, because the mean of its divisors is an integer number (6138552).

Almost surely, 2^39900497 is an apocalyptic number.

It is an amenable number.

39900497 is a deficient number, since it is larger than the sum of its proper divisors (9207919).

39900497 is a wasteful number, since it uses less digits than its factorization.

39900497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 438487.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 39900497 is about 6316.6840193253. The cubic root of 39900497 is about 341.7113743070.

The spelling of 39900497 in words is "thirty-nine million, nine hundred thousand, four hundred ninety-seven".