39994953 has 8 divisors (see below), whose sum is σ = 55645248. Its totient is φ = 25503984.

The previous prime is 39994949. The next prime is 39994963. The reversal of 39994953 is 35949993.

It is a happy number.

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

It is not a de Polignac number, because 39994953 - 2² = 39994949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 39994896 and 39994905.

It is not an unprimeable number, because it can be changed into a prime (39994963) 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, 289750 + ... + 289887.

It is an arithmetic number, because the mean of its divisors is an integer number (6955656).

Almost surely, 2^39994953 is an apocalyptic number.

It is an amenable number.

39994953 is a deficient number, since it is larger than the sum of its proper divisors (15650295).

39994953 is a wasteful number, since it uses less digits than its factorization.

39994953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579663.

The product of its digits is 1180980, while the sum is 51.

The square root of 39994953 is about 6324.1563073662. The cubic root of 39994953 is about 341.9808049827.

The spelling of 39994953 in words is "thirty-nine million, nine hundred ninety-four thousand, nine hundred fifty-three".