15486942 has 16 divisors (see below), whose sum is σ = 31811472. Its totient is φ = 5022720.

The previous prime is 15486931. The next prime is 15486953. The reversal of 15486942 is 24968451.

It is an interprime number because it is at equal distance from previous prime (15486931) and next prime (15486953).

It is a super-2 number, since 2×15486942² = 479690745022728, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 15486942.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34659 + ... + 35102.

It is an arithmetic number, because the mean of its divisors is an integer number (1988217).

Almost surely, 2^15486942 is an apocalyptic number.

15486942 is an abundant number, since it is smaller than the sum of its proper divisors (16324530).

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

15486942 is a wasteful number, since it uses less digits than its factorization.

15486942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69803.

The product of its digits is 69120, while the sum is 39.

The square root of 15486942 is about 3935.3452199267. The cubic root of 15486942 is about 249.2615113527.

The spelling of 15486942 in words is "fifteen million, four hundred eighty-six thousand, nine hundred forty-two".