39480831 has 16 divisors (see below), whose sum is σ = 62989920. Its totient is φ = 24295680.

The previous prime is 39480829. The next prime is 39480839. The reversal of 39480831 is 13808493.

It is not a de Polignac number, because 39480831 - 2¹ = 39480829 is a prime.

It is a super-2 number, since 2×39480831² = 3117472032901122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39480839) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55890 + ... + 56591.

It is an arithmetic number, because the mean of its divisors is an integer number (3936870).

Almost surely, 2^39480831 is an apocalyptic number.

39480831 is a deficient number, since it is larger than the sum of its proper divisors (23509089).

39480831 is a wasteful number, since it uses less digits than its factorization.

39480831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112503 (or 112497 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 39480831 is about 6283.3773561676. The cubic root of 39480831 is about 340.5091305359.

It can be divided in two parts, 394 and 80831, that added together give a square (81225 = 285²).

The spelling of 39480831 in words is "thirty-nine million, four hundred eighty thousand, eight hundred thirty-one".