1400319 has 18 divisors (see below), whose sum is σ = 2139696. Its totient is φ = 882360.

The previous prime is 1400303. The next prime is 1400327. The reversal of 1400319 is 9130041.

It is not a de Polignac number, because 1400319 - 2⁴ = 1400303 is a prime.

It is a super-2 number, since 2×1400319² = 3921786603522, which contains 22 as substring.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1400369) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3034 + ... + 3464.

It is an arithmetic number, because the mean of its divisors is an integer number (118872).

2^1400319 is an apocalyptic number.

1400319 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1400319 is a deficient number, since it is larger than the sum of its proper divisors (739377).

1400319 is a wasteful number, since it uses less digits than its factorization.

1400319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 453 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

The square root of 1400319 is about 1183.3507510455. The cubic root of 1400319 is about 111.8773902717.

Subtracting from 1400319 its sum of digits (18), we obtain a triangular number (1400301 = T₁₆₇₃).

The spelling of 1400319 in words is "one million, four hundred thousand, three hundred nineteen".