39854340 has 36 divisors (see below), whose sum is σ = 120892044. Its totient is φ = 10627776.

The previous prime is 39854333. The next prime is 39854363. The reversal of 39854340 is 4345893.

It can be written as a sum of positive squares in 2 ways, for example, as 13660416 + 26193924 = 3696^2 + 5118^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 39854295 and 39854304.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 110527 + ... + 110886.

Almost surely, 2^39854340 is an apocalyptic number.

39854340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39854340 is an abundant number, since it is smaller than the sum of its proper divisors (81037704).

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

39854340 is a wasteful number, since it uses less digits than its factorization.

39854340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221428 (or 221423 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 39854340 is about 6313.0293837428. The cubic root of 39854340 is about 341.5795592600.

The spelling of 39854340 in words is "thirty-nine million, eight hundred fifty-four thousand, three hundred forty".