40698384 has 20 divisors (see below), whose sum is σ = 105137616. Its totient is φ = 13566112.

The previous prime is 40698379. The next prime is 40698389. The reversal of 40698384 is 48389604.

It is an interprime number because it is at equal distance from previous prime (40698379) and next prime (40698389).

It is a super-3 number, since 3×40698384³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (40698389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423894 + ... + 423989.

Almost surely, 2^40698384 is an apocalyptic number.

It is an amenable number.

40698384 is an abundant number, since it is smaller than the sum of its proper divisors (64439232).

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

40698384 is a wasteful number, since it uses less digits than its factorization.

40698384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847894 (or 847888 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 40698384 is about 6379.5285092239. The cubic root of 40698384 is about 343.9740831385.

It can be divided in two parts, 406 and 98384, that added together give a triangular number (98790 = T₄₄₄).

The spelling of 40698384 in words is "forty million, six hundred ninety-eight thousand, three hundred eighty-four".