39701989 has 8 divisors (see below), whose sum is σ = 40700448. Its totient is φ = 38715600.

The previous prime is 39701983. The next prime is 39702007. The reversal of 39701989 is 98910793.

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 39701989 - 2¹⁵ = 39669221 is a prime.

It is a super-2 number, since 2×39701989² = 3152495861112242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39701983) 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, 3834 + ... + 9700.

It is an arithmetic number, because the mean of its divisors is an integer number (5087556).

Almost surely, 2^39701989 is an apocalyptic number.

It is an amenable number.

39701989 is a deficient number, since it is larger than the sum of its proper divisors (998459).

39701989 is a wasteful number, since it uses less digits than its factorization.

39701989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6035.

The product of its (nonzero) digits is 122472, while the sum is 46.

The square root of 39701989 is about 6300.9514360928. The cubic root of 39701989 is about 341.1437519375.

The spelling of 39701989 in words is "thirty-nine million, seven hundred one thousand, nine hundred eighty-nine".