39454869 has 8 divisors (see below), whose sum is σ = 52766752. Its totient is φ = 26223120.

The previous prime is 39454853. The next prime is 39454873. The reversal of 39454869 is 96845493.

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

It is not a de Polignac number, because 39454869 - 2⁴ = 39454853 is a prime.

It is a super-2 number, since 2×39454869² = 3113373375614322, 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 (39454829) 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, 18874 + ... + 20859.

It is an arithmetic number, because the mean of its divisors is an integer number (6595844).

Almost surely, 2^39454869 is an apocalyptic number.

It is an amenable number.

39454869 is a deficient number, since it is larger than the sum of its proper divisors (13311883).

39454869 is a wasteful number, since it uses less digits than its factorization.

39454869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40067.

The product of its digits is 933120, while the sum is 48.

The square root of 39454869 is about 6281.3110892552. The cubic root of 39454869 is about 340.4344762773.

The spelling of 39454869 in words is "thirty-nine million, four hundred fifty-four thousand, eight hundred sixty-nine".