39462993 has 6 divisors (see below), whose sum is σ = 57002114. Its totient is φ = 26308656.

The previous prime is 39462989. The next prime is 39463003. The reversal of 39462993 is 39926493.

It can be written as a sum of positive squares in only one way, i.e., 25979409 + 13483584 = 5097^2 + 3672^2 .

It is not a de Polignac number, because 39462993 - 2² = 39462989 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39462923) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2192380 + ... + 2192397.

Almost surely, 2^39462993 is an apocalyptic number.

It is an amenable number.

39462993 is a deficient number, since it is larger than the sum of its proper divisors (17539121).

39462993 is a wasteful number, since it uses less digits than its factorization.

39462993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4384783 (or 4384780 counting only the distinct ones).

The product of its digits is 314928, while the sum is 45.

The square root of 39462993 is about 6281.9577362475. The cubic root of 39462993 is about 340.4578405240.

The spelling of 39462993 in words is "thirty-nine million, four hundred sixty-two thousand, nine hundred ninety-three".