15398452 has 12 divisors (see below), whose sum is σ = 27604836. Its totient is φ = 7511360.

The previous prime is 15398437. The next prime is 15398473. The reversal of 15398452 is 25489351.

It can be written as a sum of positive squares in 2 ways, for example, as 698896 + 14699556 = 836^2 + 3834^2 .

It is a super-2 number, since 2×15398452² = 474224647992608, 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 3 ways as a sum of consecutive naturals, for example, 46783 + ... + 47110.

It is an arithmetic number, because the mean of its divisors is an integer number (2300403).

Almost surely, 2^15398452 is an apocalyptic number.

It is an amenable number.

15398452 is a deficient number, since it is larger than the sum of its proper divisors (12206384).

15398452 is a wasteful number, since it uses less digits than its factorization.

15398452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93938 (or 93936 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 15398452 is about 3924.0861356499. The cubic root of 15398452 is about 248.7858569725.

The spelling of 15398452 in words is "fifteen million, three hundred ninety-eight thousand, four hundred fifty-two".