269401398 has 64 divisors (see below), whose sum is σ = 629959680. Its totient is φ = 75220992.

The previous prime is 269401393. The next prime is 269401423. The reversal of 269401398 is 893104962.

It is a super-2 number, since 2×269401398² = 145154226488708808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (269401393) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 362215 + ... + 362957.

It is an arithmetic number, because the mean of its divisors is an integer number (9843120).

Almost surely, 2^269401398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 269401398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (314979840).

269401398 is an abundant number, since it is smaller than the sum of its proper divisors (360558282).

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

269401398 is a wasteful number, since it uses less digits than its factorization.

269401398 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 269401398 is about 16413.4517393509. The cubic root of 269401398 is about 645.8524058393.

The spelling of 269401398 in words is "two hundred sixty-nine million, four hundred one thousand, three hundred ninety-eight".