39996495 has 144 divisors (see below), whose sum is σ = 94112928. Its totient is φ = 15482880.

The previous prime is 39996469. The next prime is 39996533. The reversal of 39996495 is 59469993.

It is not a de Polignac number, because 39996495 - 2⁶ = 39996431 is a prime.

It is a super-2 number, since 2×39996495² = 3199439224570050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 412287 + ... + 412383.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^39996495 is an apocalyptic number.

39996495 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

39996495 is an abundant number, since it is smaller than the sum of its proper divisors (54116433).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

39996495 is a wasteful number, since it uses less digits than its factorization.

39996495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150 (or 140 counting only the distinct ones).

The product of its digits is 2361960, while the sum is 54.

The square root of 39996495 is about 6324.2782196864. The cubic root of 39996495 is about 341.9851999341.

The spelling of 39996495 in words is "thirty-nine million, nine hundred ninety-six thousand, four hundred ninety-five".