39742898 has 32 divisors (see below), whose sum is σ = 66189312. Its totient is φ = 17784000.

The previous prime is 39742883. The next prime is 39742907. The reversal of 39742898 is 89824793.

It is a happy number.

It is a super-3 number, since 3×39742898³ (a number of 24 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207983 + ... + 208173.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 2^39742898 is an apocalyptic number.

39742898 is a deficient number, since it is larger than the sum of its proper divisors (26446414).

39742898 is a wasteful number, since it uses less digits than its factorization.

39742898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 410.

The product of its digits is 870912, while the sum is 50.

The square root of 39742898 is about 6304.1968560634. The cubic root of 39742898 is about 341.2608834252.

The spelling of 39742898 in words is "thirty-nine million, seven hundred forty-two thousand, eight hundred ninety-eight".